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Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Apr. 10, 2020	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total		$ 4,071.0	$ 4,239.4
Current portion of long-term debt		3.8	447.2
Long-term debt		4,067.2	3,792.2
Fair Value
Debt Instrument [Line Items]
Total		4,460.8	4,667.6
Current portion of long-term debt		3.8	447.2
Long-term debt		4,457.0	4,220.4
Line of Credit
Debt Instrument [Line Items]
Debt instrument, term	364 days
Other Borrowings
Debt Instrument [Line Items]
Total		15.2	113.2
Other Borrowings | Fair Value
Debt Instrument [Line Items]
Total		15.2	113.1
U.S. Dollar-Denominated Term Loans | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 0.0	0.9
Effective interest rate (as a percent)		0.00%
Total		$ 0.0	645.1
U.S. Dollar-Denominated Term Loans | Line of Credit | Revolving Credit Facility | Fair Value
Debt Instrument [Line Items]
Total		0.0	645.1
Multi-Currency Revolving Loan Facility | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 0.4	0.8
Effective interest rate (as a percent)		1.50%
Total		$ 0.0	0.0
Multi-Currency Revolving Loan Facility | Line of Credit | Revolving Credit Facility | Fair Value
Debt Instrument [Line Items]
Total		0.0	0.0
4.375% Senior Notes, due 2023 | Senior Notes
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 0.5	0.7
Stated interest rate (as a percent)		4.375%
Effective interest rate (as a percent)		4.50%
Total		$ 249.5	249.3
4.375% Senior Notes, due 2023 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		262.9	267.0
4.15 % Senior Notes Due 2024 | Senior Notes
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 3.3	4.3
Stated interest rate (as a percent)		4.15%
Effective interest rate (as a percent)		4.60%
Total		$ 746.7	745.7
4.15 % Senior Notes Due 2024 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		806.9	817.3
3.20% Senior Notes, due 2025 | Senior Notes
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 3.6	4.4
Stated interest rate (as a percent)		3.20%
Effective interest rate (as a percent)		3.40%
Total		$ 496.4	495.6
3.20% Senior Notes, due 2025 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		532.4	533.4
3.45% Senior Notes, due 2026 | Senior Notes
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 1.1	1.3
Stated interest rate (as a percent)		3.45%
Effective interest rate (as a percent)		3.50%
Total		$ 748.9	748.7
3.45% Senior Notes, due 2026 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		806.2	819.5
1.25 % Senior Notes Due 2027
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 8.0	0.0
Stated interest rate (as a percent)		1.25%
1.25 % Senior Notes Due 2027 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)		1.50%
Total		$ 571.7	0.0
1.25 % Senior Notes Due 2027 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		595.9	0.0
4.70 % Senior Notes Due 2028 | Senior Notes
Debt Instrument [Line Items]
Unamortized debt issuance cost		$ 7.4	8.2
Stated interest rate (as a percent)		4.70%
Effective interest rate (as a percent)		5.00%
Total		$ 1,242.6	1,241.8
4.70 % Senior Notes Due 2028 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		$ 1,441.3	$ 1,472.2

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