Business Combinations Business Combination (Details) - USD ($) $ in Millions	May 15, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Acquisition, Transaction Costs		$ 12.9
Current assets, purchase accounting adjustments	$ (0.9)
Other noncurrent assets, purchase accounting adjustments	(1.9)
Noncurrent deferred tax liabilities, Purchase Accounting Adjustments	88.3
Account Payable, accrued expense and other liabilities, Purchase Accounting Adjustments	2.3
Goodwill, Purchase Accounting Adjustments	(86.7)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	1,455.2	1,540.0	$ 285.2	$ 157.6
Purchase Accounting Adjustments	1.1
Preliminary Adjustment Net [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 1,456.3
Other Intangible Assets [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Finite-lived Intangible Assets Acquired	$ 36.4
Customer Relationships [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Finite-lived Intangible Assets Acquired	$ 457.6
Trade Names [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Indefinite-lived Intangible Assets Acquired	168.2
Deferred Tax Liability [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	195.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	107.6
Accounts Payable and Accrued Liabilities [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	72.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	70.0
Other Noncurrent Assets [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	48.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	46.5
Goodwill [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	888.0	846.6	119.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	801.3
Other Intangible Assets [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	662.2	$ 687.7	$ 45.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	662.2
Other Current Assets [Member]
Schedule of recognized identified assets and liabilities assumed [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	124.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ 123.9