Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Apr. 03, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-term debt	$ 4,857.5	$ 3,749.2
Less: Debt discount	(92.8)	(102.7)
Less: Debt issuance costs	(32.1)	(34.0)
Net long-term debt, including current maturities	4,732.6	3,612.5
Less: Current maturities	(689.6)	(736.0)
Net long-term debt	4,043.0	2,876.5
Senior Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	$ 1,965.0	$ 800.0
Debt instrument, interest rate (as a percent)	2.45%	3.30%
Term Loan B Facility
Debt Instrument [Line Items]
Long-term debt	$ 1,626.8	$ 1,630.9
Less: Debt discount	$ (10.1)	$ (10.5)
Debt instrument, interest rate (as a percent)	2.99%	3.80%
Other long-term debt
Debt Instrument [Line Items]
Long-term debt	$ 0.7	$ 53.3
1.00% Notes \| Term Loan B Facility
Debt Instrument [Line Items]
Less: Debt issuance costs	(23.5)	(24.3)
1.00% Notes \| Convertible Debt
Debt Instrument [Line Items]
Long-term debt	690.0	690.0
Less: Debt discount	(15.0)	(20.4)
Less: Debt issuance costs	$ (2.1)	(2.8)
Debt instrument, interest rate (as a percent)	1.00%
1.625% Notes \| Convertible Debt
Debt Instrument [Line Items]
Long-term debt	$ 575.0	575.0
Less: Debt discount	(67.7)	(71.8)
Less: Debt issuance costs	$ (6.5)	$ (6.9)
Debt instrument, interest rate (as a percent)	1.625%
Minimum \| Other long-term debt
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)	1.00%
Maximum \| Other long-term debt
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)	1.48%

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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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of long-term debt and lease obligation, including portion classified as current.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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