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Consolidated Statement of Cash Flows (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Mar. 31, 2015
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Mar. 31, 2014
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Mar. 31, 2013
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| Operating activities | |||
| Net income (loss) | $ 49,386us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 25,799us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 26,974us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |
| Adjustment to reconcile net income to net cash provided by operating activities: | |||
| Depreciation and amortization | 14,143us-gaap_DepreciationAndAmortization | 14,178us-gaap_DepreciationAndAmortization | 13,831us-gaap_DepreciationAndAmortization |
| Amortization of debt costs | 464us-gaap_AmortizationOfFinancingCosts | 4,572us-gaap_AmortizationOfFinancingCosts | 3,321us-gaap_AmortizationOfFinancingCosts |
| Stock compensation expense | 3,295us-gaap_ShareBasedCompensation | 2,203us-gaap_ShareBasedCompensation | 1,341us-gaap_ShareBasedCompensation |
| Deferred income taxes | (7,164)us-gaap_DeferredIncomeTaxExpenseBenefit | (4,429)us-gaap_DeferredIncomeTaxExpenseBenefit | (1,919)us-gaap_DeferredIncomeTaxExpenseBenefit |
| Premiums paid on redemptions, included as financing activities | 0thr_PremiumsPaidOnRedemptionIncludedAsFinancingActivities | 15,485thr_PremiumsPaidOnRedemptionIncludedAsFinancingActivities | 0thr_PremiumsPaidOnRedemptionIncludedAsFinancingActivities |
| Other non-cash operating activities | 1,833us-gaap_OtherOperatingActivitiesCashFlowStatement | (177)us-gaap_OtherOperatingActivitiesCashFlowStatement | 551us-gaap_OtherOperatingActivitiesCashFlowStatement |
| Changes in operating assets and liabilities: | |||
| Accounts receivable | (12,242)us-gaap_IncreaseDecreaseInAccountsReceivable | 2,894us-gaap_IncreaseDecreaseInAccountsReceivable | (7,120)us-gaap_IncreaseDecreaseInAccountsReceivable |
| Inventories | (6,862)us-gaap_IncreaseDecreaseInInventories | (3,500)us-gaap_IncreaseDecreaseInInventories | 3,389us-gaap_IncreaseDecreaseInInventories |
| Costs and estimated earnings in excess of billings on uncompleted contracts | (3,512)thr_CostsAndEstimatedEarningsAndBillingsOnConstructionContracts | 648thr_CostsAndEstimatedEarningsAndBillingsOnConstructionContracts | (1,807)thr_CostsAndEstimatedEarningsAndBillingsOnConstructionContracts |
| Other current and noncurrent assets | 841us-gaap_IncreaseDecreaseInOtherOperatingAssets | (1,477)us-gaap_IncreaseDecreaseInOtherOperatingAssets | (611)us-gaap_IncreaseDecreaseInOtherOperatingAssets |
| Accounts payable | (297)us-gaap_IncreaseDecreaseInAccountsPayable | (3,157)us-gaap_IncreaseDecreaseInAccountsPayable | 4,895us-gaap_IncreaseDecreaseInAccountsPayable |
| Accrued liabilities and noncurrent liabilities | 8,396us-gaap_IncreaseDecreaseInAccruedLiabilities | (11,069)us-gaap_IncreaseDecreaseInAccruedLiabilities | (3,354)us-gaap_IncreaseDecreaseInAccruedLiabilities |
| Income taxes payable | 5,132us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | 1,190us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | 657us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable |
| Net cash provided by operating activities | 51,731us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 46,114us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 41,370us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |
| Investing activities | |||
| Purchases of property, plant and equipment | (6,075)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (3,367)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (6,264)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
| Cash paid to settle the CHS Transactions | (3,890)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (2,055)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (289)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired |
| Net cash used in investing activities | (9,965)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (5,422)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (6,553)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |
| Financing activities | |||
| Proceeds from long term debt | 0us-gaap_ProceedsFromSecuredNotesPayable | 135,000us-gaap_ProceedsFromSecuredNotesPayable | 0us-gaap_ProceedsFromSecuredNotesPayable |
| Payments on senior secured notes | 0us-gaap_RepaymentsOfSecuredDebt | (118,145)us-gaap_RepaymentsOfSecuredDebt | (21,000)us-gaap_RepaymentsOfSecuredDebt |
| Payments on long term debt | (13,500)us-gaap_RepaymentsOfLongTermDebt | (13,500)us-gaap_RepaymentsOfLongTermDebt | 0us-gaap_RepaymentsOfLongTermDebt |
| Proceeds or payments on revolving lines of credit | 0us-gaap_ProceedsFromRepaymentsOfLinesOfCredit | 0us-gaap_ProceedsFromRepaymentsOfLinesOfCredit | 0us-gaap_ProceedsFromRepaymentsOfLinesOfCredit |
| Lease financing, net | 186us-gaap_PaymentsToAcquireEquipmentOnLease | (59)us-gaap_PaymentsToAcquireEquipmentOnLease | 0us-gaap_PaymentsToAcquireEquipmentOnLease |
| Issuance costs associated with debt financing | (290)us-gaap_PaymentsOfDebtIssuanceCosts | (1,728)us-gaap_PaymentsOfDebtIssuanceCosts | (248)us-gaap_PaymentsOfDebtIssuanceCosts |
| Issuance of common stock including exercise of stock options | 547us-gaap_ProceedsFromStockOptionsExercised | 3,340us-gaap_ProceedsFromStockOptionsExercised | 5,558us-gaap_ProceedsFromStockOptionsExercised |
| Benefit (loss) from excess tax deduction from option exercises | 1,592us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | (118)us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 4,131us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities |
| Premium paid on redemption of senior secured notes | 0us-gaap_RedemptionPremium | (15,485)us-gaap_RedemptionPremium | (630)us-gaap_RedemptionPremium |
| Net cash used in financing activities | (11,837)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (10,577)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (12,189)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |
| Effect of exchange rate changes on cash and cash equivalents | (8,795)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations | (1,321)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations | (249)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations |
| Change in cash and cash equivalents | 21,134us-gaap_NetCashProvidedByUsedInContinuingOperations | 28,794us-gaap_NetCashProvidedByUsedInContinuingOperations | 22,379us-gaap_NetCashProvidedByUsedInContinuingOperations |
| Cash and cash equivalents at beginning of period | 72,640us-gaap_CashAndCashEquivalentsAtCarryingValue | 43,847us-gaap_CashAndCashEquivalentsAtCarryingValue | 21,468us-gaap_CashAndCashEquivalentsAtCarryingValue |
| Cash and cash equivalents at end of period | 93,774us-gaap_CashAndCashEquivalentsAtCarryingValue | 72,640us-gaap_CashAndCashEquivalentsAtCarryingValue | 43,847us-gaap_CashAndCashEquivalentsAtCarryingValue |
| Interest | 4,057us-gaap_InterestPaid | 10,138us-gaap_InterestPaid | 12,734us-gaap_InterestPaid |
| Income taxes paid | 17,262us-gaap_IncomeTaxesPaid | 11,098us-gaap_IncomeTaxesPaid | 10,639us-gaap_IncomeTaxesPaid |
| Income tax refunds received | $ 3,577us-gaap_ProceedsFromIncomeTaxRefunds | $ 2,004us-gaap_ProceedsFromIncomeTaxRefunds | $ 207us-gaap_ProceedsFromIncomeTaxRefunds |
| X | ||||||||||
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- Definition
Change in the carrying value of assets arising on account of costs and estimated earnings and billings on construction contracts forming a part of operating activities. No definition available.
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- Definition
The amount of premiums paid on redemption which is included as financing activities during the reporting period. No definition available.
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- Details
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| X | ||||||||||
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- Definition
Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The effect of exchange rate changes on cash balances in continuing operations held in foreign currencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash paid for interest during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label. No definition available.
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| X | ||||||||||
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- Definition
Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). No definition available.
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| X | ||||||||||
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- Definition
The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow for payments to acquire rented equipment which is recorded as an asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash received during the period as refunds for the overpayment of taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from borrowings supported by a written promise to pay an obligation that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share. No definition available.
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| X | ||||||||||
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- Definition
The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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