Debt and Credit Facilities - Total Debt Outstanding (Details) - USD ($) $ in Millions	Sep. 30, 2021	Sep. 29, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Short-term borrowings	$ 0.4		$ 7.2
Current portion of long-term debt	487.8		22.3
Total current debt	488.2		29.5
Other	26.0		24.9
Total long-term debt, less current portion	3,315.4		3,731.4
Total debt	3,803.6		3,760.9
Finance lease liability, current	10.9		10.5
Finance lease liability, noncurrent	20.2		23.9
Unamortized discounts ands issuance costs	$ 20.4		$ 20.1
Short-term debt, weighted average interest rate	4.20%		2.20%
Long-term debt, weighted average interest rate	4.10%		4.40%
Senior Notes due December 2022
Debt Instrument [Line Items]
Debt interest rate	4.875%
Senior notes	$ 85.5		$ 423.3
Total long-term debt, less current portion	$ 85.7
Senior Notes due April 2023
Debt Instrument [Line Items]
Debt interest rate	5.25%
Senior notes	$ 423.6		422.9
Senior Notes due September 2023
Debt Instrument [Line Items]
Debt interest rate	4.50%
Senior notes	$ 462.6		490.2
Senior Notes due December 2024
Debt Instrument [Line Items]
Debt interest rate	5.125%
Senior notes	$ 422.6		422.1
Senior Notes due September 2025
Debt Instrument [Line Items]
Debt interest rate	5.50%
Senior notes	$ 398.1		397.8
Senior Secured Notes due October 2026
Debt Instrument [Line Items]
Debt interest rate	1.573%	1.573%
Senior notes	$ 594.6		0.0
Senior Notes due December 2027
Debt Instrument [Line Items]
Debt interest rate	4.00%
Senior notes	$ 421.3		420.9
Senior Notes due July 2033
Debt Instrument [Line Items]
Debt interest rate	6.875%
Senior notes	$ 446.2		446.0
Term Loan A due August 2022
Debt Instrument [Line Items]
Current portion of long-term debt	475.0
Term loans	0.0		474.7
Term Loan A due July 2023
Debt Instrument [Line Items]
Term loans	34.9		208.6
Line of Credit
Debt Instrument [Line Items]
Short-term borrowings	$ 0.4		$ 7.2