Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies - Fair Value Measurement (Details)

v3.20.1
Organization and Significant Accounting Policies - Fair Value Measurement (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Certificates of Deposit, at Carrying Value $ 24,800 $ 32,200
Money markets 48,264 60,687
Debt, Long-term and Short-term, Combined Amount 264,784 283,201
Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money markets 48,264 60,687
Debt, Long-term and Short-term, Combined Amount 272,347 303,170
Level 1 | Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money markets 48,264 60,687
Derivative Instruments in Hedges, Assets, at Fair Value 0 0
Derivative Instruments in Hedges, Liabilities, at Fair Value 0 0
Debt, Long-term and Short-term, Combined Amount 0 0
Level 2 | Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money markets 0 0
Derivative Instruments in Hedges, Assets, at Fair Value 0  
Derivative Instruments in Hedges, Liabilities, at Fair Value (20,287) 0
Debt, Long-term and Short-term, Combined Amount 272,347 303,170
Level 3 | Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money markets 0 0
Derivative Instruments in Hedges, Assets, at Fair Value 0 0
Derivative Instruments in Hedges, Liabilities, at Fair Value 0 0
Debt, Long-term and Short-term, Combined Amount $ 0 0
Foreign Exchange Forward [Member] | Prepaid Expenses and Other Current Assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Instruments in Hedges, Assets, at Fair Value   $ 5,141