Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Balance Sheet Classification and Fair Value of Derivative Instruments (Details)

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Derivatives - Balance Sheet Classification and Fair Value of Derivative Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Mar. 31, 2019
Other Noncurrent Assets | Currency Swap    
Derivative [Line Items]    
Derivative Asset $ 0  
Derivative Asset, Fair Value, Gross Liability (4,408) $ 0
Derivative Asset, Fair Value, Gross Asset 4,408 4,577
Prepaid Expenses and Other Current Assets | Foreign Exchange Forward    
Derivative [Line Items]    
Derivative Asset 3,193 564
Derivative Asset, Fair Value, Gross Liability 0 645
Derivative Asset, Fair Value, Gross Asset 3,193 1,209
Other Noncurrent Liabilities | Currency Swap    
Derivative [Line Items]    
Derivative Liability 3,376 0
Derivative Liability, Fair Value, Gross Liability 7,784 0
Derivative Liability, Fair Value, Gross Asset 4,408 0
Accrued Liabilities | Foreign Exchange Forward    
Derivative [Line Items]    
Derivative Liability 0 0
Derivative Liability, Fair Value, Gross Liability 0 645
Derivative Liability, Fair Value, Gross Asset $ 0 $ 645