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Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Apr. 10, 2020	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total		$ 4,080.2	$ 4,239.4
Current portion of long-term debt		0.6	447.2
Long-term debt		4,079.6	3,792.2
Fair Value
Debt Instrument [Line Items]
Total		4,489.2	4,667.6
Current portion of long-term debt		0.6	447.2
Long-term debt		4,488.6	4,220.4
Line of Credit
Debt Instrument [Line Items]
Debt instrument, term	364 days
Other Borrowings
Debt Instrument [Line Items]
Total		12.2	113.2
Other Borrowings | Fair Value
Debt Instrument [Line Items]
Total		$ 12.2	113.1
U.S. Dollar-Denominated Term Loans | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Effective interest rate (as a percent)		0.00%
Total		$ 0.0	645.1
Unamortized debt issuance cost		0.0	0.9
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]
Effective interest rate (as a percent)		1.50%
Total		$ 0.0	0.0
Unamortized debt issuance cost		0.4	0.8
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]
Effective interest rate (as a percent)		4.50%
Total		$ 249.5	249.3
Stated interest rate (as a percent)		4.375%
Unamortized debt issuance cost		$ 0.5	0.7
4.375% Senior Notes, due 2023 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		$ 265.5	267.0
4.150 Percent Senior Notes Due 2024 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)		4.60%
Total		$ 746.4	745.7
Stated interest rate (as a percent)		4.15%
Unamortized debt issuance cost		$ 3.6	4.3
4.150 Percent Senior Notes Due 2024 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		$ 813.5	817.3
3.2000 Percent Senior Notes Due 2025 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)		3.40%
Total		$ 496.1	495.6
Stated interest rate (as a percent)		3.20%
Unamortized debt issuance cost		$ 3.9	4.4
3.2000 Percent Senior Notes Due 2025 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		$ 533.6	533.4
3.45% Senior Notes, due 2026 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)		3.50%
Total		$ 748.9	748.7
Stated interest rate (as a percent)		3.45%
Unamortized debt issuance cost		$ 1.1	1.3
3.45% Senior Notes, due 2026 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		$ 807.4	819.5
1.25 Percent Senior Notes Due 2027
Debt Instrument [Line Items]
Stated interest rate (as a percent)		1.25%
Unamortized debt issuance cost		$ 8.6	0.0
1.25 Percent Senior Notes Due 2027 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)		1.30%
Total		$ 584.8	0.0
1.25 Percent Senior Notes Due 2027 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		$ 601.1	0.0
4.70 Percent Senior Notes Due 2028 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)		5.00%
Total		$ 1,242.3	1,241.8
Stated interest rate (as a percent)		4.70%
Unamortized debt issuance cost		$ 7.7	8.2
4.70 Percent Senior Notes Due 2028 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total		$ 1,455.9	$ 1,472.2

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