Annual report pursuant to Section 13 and 15(d)

Income Taxes - Income Tax Reconciliation (Details)

v3.7.0.1
Income Taxes - Income Tax Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Income Tax Disclosure [Abstract]      
Notional U.S. federal income tax expense at statutory rate $ 6,679 $ 11,328 $ 21,980
Rate difference-international subsidiaries 45 150 66
Undistributed foreign earnings 0 0 (3,105)
Rate difference-international subsidiaries (2,622) (1,727) (4,113)
Charges/(benefits) related to uncertain tax positions (128) (1,227) 61
Release of valuation allowance for foreign net operating loss carry forward 0 0 (634)
Impact on deferred tax liability for statutory rate change 0 455 0
Non-deductible charges 296 51 (846)
Foreign purchase price adjustment (379) 0 0
Change in valuation allowance (490) 0 0
Other, net (283) (314) (233)
Total provision for income taxes $ 4,098 $ 8,716 $ 13,176