Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Foreign Exchange Contracts by Currency (Details)

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Fair Value Measurements - Foreign Exchange Contracts by Currency (Details) - Foreign Exchange Forward Contracts - USD ($)
$ in Thousands
Sep. 30, 2015
Mar. 31, 2015
Derivatives [Line Items]    
Notional amount $ 11,370 $ 8,223
Russian Ruble    
Derivatives [Line Items]    
Notional amount 1,883 1,374
Euro    
Derivatives [Line Items]    
Notional amount 4,313 467
Canadian Dollar    
Derivatives [Line Items]    
Notional amount 228 243
South Korean Won    
Derivatives [Line Items]    
Notional amount 2,590 3,347
Mexican Peso    
Derivatives [Line Items]    
Notional amount 848 873
Australian Dollar    
Derivatives [Line Items]    
Notional amount 1,209 1,104
Japanese Yen    
Derivatives [Line Items]    
Notional amount 0 815
Brazil, Brazil Real    
Derivatives [Line Items]    
Notional amount $ 299 $ 0