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Long-Term Debt - Interest Rate Swaps Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2020
Sep. 30, 2020
Jan. 31, 2019
Apr. 30, 2018
Sep. 29, 2017
Jun. 30, 2017
Derivative [Line Items]            
Reclassification in next 12 months, gross   $ 21.0        
Reclassification in next 12 months, net   15.7        
Interest Rate Swap [Member]            
Derivative [Line Items]            
Fixed rate     2.65% 2.61% 1.69%  
Gain (loss) on derivative $ (21.9) (43.1)        
Gain recognized in other comprehensive income (loss) $ (16.4) $ (32.2)        
London Interbank Offered Rate (LIBOR) [Member] | Interest Rate Swap [Member]            
Derivative [Line Items]            
Notional amount per derivative instrument     $ 300.0 $ 250.0 $ 200.0 $ 200.0
Fixed rate           2.08%
Basis spread on derivative   0.15%