Components of Deferred Tax Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Deferred Tax Assets, Net [Abstract]
Postretirement/post-employment benefits	$ 14.8	$ 16.6
Deferred compensation	99.5	106.5
Pension costs	9.7	27.9
Basis differences in fixed assets	84.7	(86.3)
Interest	41.8	42.9
Accruals and reserves	33.7	23.9
Allowance for doubtful accounts	16.6	19.7
Basis differences in intangible assets	351.8	(340.0)
Deferred Tax Liabilities, ROU	315.2	(285.8)
Deferred Tax Liabilities, Leasing Arrangements	373.1	350.4
Tax loss/tax credit carry forwards	304.6	343.0
Prepaid expenses	9.4	(7.3)
Deferred revenue	1.8	(11.6)
Unremitted foreign earnings	6.9	(9.3)
Deferred Tax and Other Liabilities, Noncurrent	769.8	(740.3)
Other	69.3	83.6
Net deferred tax assets	963.1	1,014.5
Deferred Tax Assets, Valuation Allowance	(146.0)	(197.1)	$ (164.2)	$ (211.0)
Deferred Tax Assets, Net	47.3	77.1
Total deferred tax assets, net	817.1	817.4
Foreign Income Tax Expense (Benefit), Continuing Operations	106.7	75.8	$ 83.7
Deferred Tax Assets	301.4	302.0
Deferred income taxes	301.4	302.0
Deferred Tax Liabilities	$ 254.1	$ 224.9