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Valuation and Qualifying Accounts (Detail) - Allowance for Doubtful Accounts - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 11,450 $ 37,634 $ 35,737
Additions at Cost 5,348 2,768 2,405
Deductions 633 28,952 [1] 508
Balance at End of Period $ 16,165 $ 11,450 $ 37,634
[1] Of this amount, $28,412 represents previously reserved accounts receivables related to our Venezuelan operations which were removed from the company’s books. Please refer to Note (11) of Notes to Consolidated Financial Statements included in Item 8 of this Annual Report on Form 10-K for additional information regarding the company’s Venezuelan operations.