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Balance Sheet Information - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract]      
Carrying value of assets classified as held-for-sale $ 7.4    
Depreciation expense for property, plant and equipment 444.1 $ 409.7 $ 359.3
Ship and credit reserves 180.2 178.7  
Operating lease assets $ 136.3 $ 110.2  
Weighted average remaining lease term 6 years 10 months 24 days    
Weighted average discount rate 4.90%    
Total rent expense     $ 43.6