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Long-Term Debt (Credit Agreement) (Details) - USD ($)
Jul. 22, 2019
Jun. 26, 2019
Jun. 05, 2019
Jun. 04, 2018
Jun. 30, 2019
Oct. 11, 2018
Term loan            
Debt Instrument [Line Items]            
Amortization of outstanding loan principal amount, quarterly installment       0.25%    
Credit Agreement | Term loan            
Debt Instrument [Line Items]            
Long-term line of credit       $ 1,300,000,000    
Basis spread on variable rate       1.00%    
Interest rate         6.91%  
Maximum borrowing capacity         $ 50,000,000.0  
Repurchased face amount           $ 50,200,000
Repurchase amount           $ 50,000,000
Par value discount rate           0.40%
Repayments of debt   $ 492,700,000 $ 115,000,000      
London Interbank Offered Rate | Credit Agreement | Term loan            
Debt Instrument [Line Items]            
Basis spread on variable rate       4.50%    
Alternative Base Rate | Credit Agreement | Term loan            
Debt Instrument [Line Items]            
Basis spread on variable rate       3.50%    
Federal Funds Rate | Credit Agreement | Term loan            
Debt Instrument [Line Items]            
Basis spread on variable rate       0.50%    
Minimum | London Interbank Offered Rate | Credit Agreement | Term loan            
Debt Instrument [Line Items]            
Interest rate       1.00%    
Minimum | Alternative Base Rate | Credit Agreement | Term loan            
Debt Instrument [Line Items]            
Basis spread on variable rate       2.00%    
Senior Notes | 6.75% Senior Notes            
Debt Instrument [Line Items]            
Interest rate   6.75%        
Subsequent Event | Credit Agreement | Term loan            
Debt Instrument [Line Items]            
Repayments of debt $ 50,000,000