Fair Value Measurements - Financial Instruments at Fair Value (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2020
Assets:
Goodwill	$ 2,999.4	$ 3,490.4	$ 3,095.7
Assets Held for Sale | Mexico and Brazil-based Over-the-counter Businesses
Liabilities:
Total impairment charge	162.2
Recurring | Level 1
Assets:
Investment securities	0.4	0.1
Foreign currency forward contracts	0.0	0.0
Foreign currency option contracts	0.0	0.0
Total assets	0.4	0.1
Liabilities:
Foreign currency forward contracts	0.0	0.0
Cross-currency swap	0.0	0.0
Total liabilities	0.0	0.0
Recurring | Level 1 | Interest rate swap agreements
Assets:
Interest Rate Swap Agreements	0.0	0.0
Recurring | Level 2
Assets:
Investment securities	0.0	0.0
Foreign currency forward contracts	5.7	4.2
Foreign currency option contracts	5.0	0.0
Total assets	10.7	7.2
Liabilities:
Foreign currency forward contracts	2.4	5.2
Cross-currency swap	13.8	96.1
Total liabilities	16.2	101.3
Recurring | Level 2 | Interest rate swap agreements
Assets:
Interest Rate Swap Agreements	0.0
Recurring | Level 3
Assets:
Investment securities	0.0	0.0
Foreign currency forward contracts	0.0	0.0
Foreign currency option contracts	0.0	0.0
Total assets	0.0	0.0
Liabilities:
Foreign currency forward contracts	0.0	0.0
Cross-currency swap	0.0	0.0
Total liabilities	0.0	0.0
Recurring | Level 3 | Interest rate swap agreements
Assets:
Interest Rate Swap Agreements	0.0	0.0
Nonrecurring | Level 1
Assets:
Goodwill	0.0	0.0
Total assets	0.0	0.0
Liabilities:
Liabilities held-for-sale, net	0.0	0.0
Total liabilities	0.0	0.0
Nonrecurring | Level 2
Assets:
Goodwill	0.0	0.0
Total assets	0.0	0.0
Liabilities:
Liabilities held-for-sale, net	0.0	0.0
Total liabilities	0.0	0.0
Nonrecurring | Level 3
Assets:
Goodwill	71.7	0.0
Total assets	71.7	0.0
Liabilities:
Liabilities held-for-sale, net	16.8	0.0
Total liabilities	16.8	0.0
CSCA
Assets:
Goodwill	1,902.4	$ 2,044.4	$ 1,905.0
CSCA | Nonrecurring
Assets:
Goodwill	$ 81.7