Acquisitions - Narrative (Details) CAD in Thousands, $ in Thousands |
3 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|
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Oct. 30, 2017
CAD
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Oct. 30, 2017
USD ($)
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Dec. 31, 2017
USD ($)
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Dec. 31, 2016
USD ($)
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Dec. 31, 2017
USD ($)
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Dec. 31, 2016
USD ($)
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Mar. 31, 2017
USD ($)
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| Business Acquisition [Line Items] | |||||||
| Weighted average useful life | 10 years 7 months 6 days | ||||||
| Goodwill | $ 216,198 | $ 216,198 | $ 122,521 | ||||
| Revenues | 92,660 | $ 64,340 | 206,027 | $ 196,548 | |||
| Thermon Heating Systems Inc. | |||||||
| Business Acquisition [Line Items] | |||||||
| Equity interests acquired | 100.00% | 100.00% | |||||
| Payments to acquire business | CAD 261,950 | $ 204,235 | |||||
| Transaction costs | 3,839 | 3,839 | |||||
| Revenues | 16,057 | 2,851 | |||||
| Operating Segments | |||||||
| Business Acquisition [Line Items] | |||||||
| Goodwill acquired | 87,540 | ||||||
| Goodwill | 216,198 | 216,198 | 122,521 | ||||
| Revenues | 92,660 | $ 64,340 | 206,027 | $ 196,548 | |||
| Operating Segments | Canada | |||||||
| Business Acquisition [Line Items] | |||||||
| Goodwill | $ 134,987 | 134,987 | $ 43,444 | ||||
| Operating Segments | Canada | Thermon Heating Systems Inc. | |||||||
| Business Acquisition [Line Items] | |||||||
| Goodwill acquired | $ 87,540 | ||||||
| X | ||||||||||
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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