Goodwill and Intangibles - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 2,989,600,000	$ 2,958,000,000.0
Impairments with respect to the carrying value of goodwill	0	0	$ 0
Impairment charges	11,400,000	22,500,000	94,500,000
Impairment of finite-lived intangible assets		9,500,000	56,500,000
Impairment of indefinite-lived intangible assets		13,000,000.0	38,000,000.0
Software
Finite-Lived Intangible Assets [Line Items]
Amortization	$ 20,400,000	$ 18,400,000	$ 17,400,000
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	20 years