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LONG-TERM DEBT (Details)
3 Months Ended 12 Months Ended
Jan. 16, 2018
USD ($)
shares
Mar. 31, 2021
USD ($)
Mar. 31, 2021
USD ($)
Debt Instrument [Line Items]      
Stock authorized to repurchase under stock repurchase program (in shares) | shares 25,000,000    
Repaid borrowings     $ 100,000,000.0
Line of credit | Senior secured revolving credit facility      
Debt Instrument [Line Items]      
Debt term 5 years    
Credit facility $ 1,000,000,000.0 $ 1,000,000,000.0 1,000,000,000.0
Amount outstanding under credit facility   $ 350,000,000 350,000,000
Commitment fee percentage   0.25%  
Debt default, acceleration clause, required consent percentage 50.00%    
Debt issuance costs   $ 12,200,000 12,200,000
Unamortized debt issuance costs   3,100,000 3,100,000
Line of credit | Senior secured revolving credit facility | Prepaid Expenses and Other Current Assets      
Debt Instrument [Line Items]      
Unamortized debt issuance costs   1,700,000 1,700,000
Line of credit | Senior secured revolving credit facility | Other assets      
Debt Instrument [Line Items]      
Unamortized debt issuance costs   $ 1,400,000 $ 1,400,000
Line of credit | Senior secured revolving credit facility | Maximum      
Debt Instrument [Line Items]      
Commitment fee percentage   0.30%  
Line of credit | Senior secured revolving credit facility | Maximum | Foreign Subsidiaries      
Debt Instrument [Line Items]      
Voting stock pledge limit for any foreign subsidiary 65.00%    
Line of credit | Senior secured revolving credit facility | Minimum      
Debt Instrument [Line Items]      
Commitment fee percentage   0.15%  
Line of credit | Senior secured revolving credit facility | Federal funds effective rate      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate 0.50%    
Line of credit | Senior secured revolving credit facility | LIBOR      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate 1.00%    
Line of credit | Senior secured revolving credit facility | LIBOR | LIBOR loans      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate   1.50%  
Line of credit | Senior secured revolving credit facility | LIBOR | LIBOR loans | Maximum      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate   1.75%  
Line of credit | Senior secured revolving credit facility | LIBOR | LIBOR loans | Minimum      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate   1.00%  
Line of credit | Senior secured revolving credit facility | Base rate | Base rate loans      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate   0.50%  
Line of credit | Senior secured revolving credit facility | Base rate | Base rate loans | Maximum      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate   0.75%  
Line of credit | Senior secured revolving credit facility | Base rate | Base rate loans | Minimum      
Debt Instrument [Line Items]      
Interest rate in excess of effective rate   0.00%  
Line of credit | Letter of credit sub-facility      
Debt Instrument [Line Items]      
Credit facility $ 75,000,000.0    
Line of credit | Revolving Credit Facility Leverage Ratio Terms 1 | Maximum      
Debt Instrument [Line Items]      
Leverage ratio   3.50 3.50
Line of credit | Revolving Credit Facility Leverage Ratio Terms 1 | Minimum      
Debt Instrument [Line Items]      
Leverage ratio   1.50 1.50
Line of credit | Revolving Credit Facility Leverage Ratio Terms 2 | Maximum      
Debt Instrument [Line Items]      
Leverage ratio   2.75 2.75
Line of credit | Revolving Credit Facility Leverage Ratio Terms 2 | Minimum      
Debt Instrument [Line Items]      
Leverage ratio   1.50 1.50