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Long-Term Debt - Narrative (Details)
6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2020
MXN ($)
May 30, 2017
USD ($)
Revolving Unsecured Credit Facility due 2024 | Line of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 500,000,000.0    
Amount outstanding 200,000,000.0    
Letters of credit outstanding 3,300,000    
Remaining borrowing capacity $ 296,700,000    
Commitment fee (as a percent) 0.50%    
Interest rate at end of period (as a percent) 2.63% 2.63%  
Net proceeds $ (135,000,000.0)    
Revolving Unsecured Credit Facility due 2024 | Line of Credit | 30-day LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable rate (as a percent) 2.50%    
Revolving Unsecured Credit Facility due 2024 | Line of Credit | 30-day LIBOR | Minimum      
Debt Instrument [Line Items]      
Stated interest rate (as a percent) 0.00% 0.00%  
Revolving Unsecured Credit Facility due 2024 | Line of Credit | Prime Rate      
Debt Instrument [Line Items]      
Basis spread on variable rate (as a percent) 1.50%    
Revolving Unsecured Uncommitted Credit Facility due 2023 | Line of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity   $ 600,000,000.0  
Amount outstanding   0  
Remaining borrowing capacity   $ 600,000,000.0  
Revolving Unsecured Uncommitted Credit Facility due 2023 | Line of Credit | Mexican Central Bank Interbank Equilibrium Rate (TIIE)      
Debt Instrument [Line Items]      
Basis spread on variable rate (as a percent) 2.50%    
5.375% senior unsecured notes due 2024 | Senior Notes      
Debt Instrument [Line Items]      
Stated interest rate (as a percent) 5.375% 5.375% 5.375%
Face amount     $ 300,000,000.0
Debt ratio 2.25 2.25