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Interest Expense, Net (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Interest Income (Expense), Net [Abstract]        
Interest (Income) $ (4) $ (1) $ (4) $ (2)
Interest Expense 5,348 4,160 9,096 8,456
Other Expenses 312 183 465 374
Interest Expense, net $ 5,656 $ 4,342 $ 9,557 $ 8,828