v3.5.0.1
Schedule II - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Allowance for Doubtful Accounts      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance, Beginning of Period $ 3,281 $ 6,533 $ 5,473
Additions Charged to Costs and Expenses 0 8,849 5,605
Charged to Other Accounts 97 (11,182) (1,078)
Deductions, Write-Offs, net (1,059) (919) (3,467)
Balance, End of Period 2,319 3,281 6,533
Reserve for Valuation Allowance on Deferred Tax Asset      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance, Beginning of Period 27,139 40,261 0
Additions Charged to Costs and Expenses 0 0 40,261
Charged to Other Accounts 0 0 0
Deductions, Write-Offs, net (27,139) (13,122) 0
Balance, End of Period 0 27,139 40,261
Allowance for Excess and Obsolete Inventory      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance, Beginning of Period 0 561 445
Additions Charged to Costs and Expenses 0 0 4
Charged to Other Accounts 0 0 112
Deductions, Write-Offs, net 0 (561) 0
Balance, End of Period $ 0 $ 0 $ 561