Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Accounts receivable	$ 6.8	$ 3.8
Deferred compensation	48.6	47.7
Pension, postretirement and postemployment benefits	6.3	5.6
Other	19.9	18.5
Tax credit carryforwards/other tax attributes	17.9	9.0
International operating loss carryforwards	8.7	11.4
Interest rate swaps	14.2	7.4
Total gross deferred tax assets	122.4	103.4
Valuation allowances	(22.6)	(23.2)
Total deferred tax assets	99.8	80.2
Goodwill	(226.9)	(184.5)
Trade names and other intangibles	(520.4)	(414.1)
Property, plant and equipment	(56.1)	(59.7)
Total deferred tax liabilities	(803.4)	(658.3)
Net deferred tax liability	(703.6)	(578.1)
Long term net deferred tax asset	3.7	1.5
Long term net deferred tax liability	$ (707.3)	$ (579.6)	$ (580.8)	$ (576.4)