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Accounts Payable and Accrued Expenses - Schedule of Product Warranty Activity (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Product Warranties Disclosures [Abstract]        
Balance at beginning of period $ 3,273 $ 3,367 $ 3,934 $ 3,207
Change in accruals for warranties during the period 595 1,309 1,018 2,212
Settlements during the period (758) (561) (1,842) (1,304)
Balance at end of period $ 3,110 $ 4,115 $ 3,110 $ 4,115