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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Oct. 01, 2021	May 19, 2021	May 11, 2021	May 10, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt	$ 3,309.9				$ 3,589.5
Less: Debt discount	(159.7)				(69.7)
Less: Debt issuance costs	(36.7)				(28.5)
Net long-term debt, including current portion	3,113.5				3,491.3
Less: Current portion of long-term debt	(203.0)				(531.6)
Net long-term debt	2,910.5				2,959.7
Senior Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	$ 0.0				$ 700.0
Debt instrument, interest rate (as a percent)	0.00%				1.90%
Term Loan B Facility
Debt Instrument [Line Items]
Long-term debt	$ 1,602.3				$ 1,614.5
Less: Debt discount	(8.0)				(9.0)
Less: Debt issuance costs	$ (18.5)				$ (21.0)
Debt instrument, interest rate (as a percent)	2.08%				2.15%
0% Notes | Convertible Debt
Debt Instrument [Line Items]
Long-term debt	$ 805.0				$ 0.0
Less: Debt discount	(131.5)				0.0
Less: Debt issuance costs	$ (14.7)				0.0
Debt instrument, interest rate (as a percent)	0.00%	0.00%	0.00%	0.00%
3.875% Notes | Notes Payable
Debt Instrument [Line Items]
Long-term debt	$ 700.0				700.0
Less: Debt discount	(6.0)				(6.5)
Less: Debt issuance costs	$ (2.1)				(2.3)
Debt instrument, interest rate (as a percent)	3.875%
1.625% Notes | Convertible Debt
Debt Instrument [Line Items]
Long-term debt	$ 202.6				575.0
Less: Debt discount	(14.2)				(54.2)
Less: Debt issuance costs	(1.4)				$ (5.2)
Less: Current portion of long-term debt	$ (187.0)
Debt instrument, interest rate (as a percent)	1.625%	1.625%	1.625%	1.625%

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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