Debt - Summary of Long-Term Debt (Details) - USD ($) $ in Millions	Apr. 04, 2020	Feb. 29, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-Term Debt	$ 2,331.2		$ 2,334.4
Unamortized Debt Issuance Costs	(17.4)		(16.1)
Unamortized Original Issue Premium (Discount)	8.7		(10.5)
Long-Term Debt, Net	2,322.5		2,307.8
Less — Current portion	(15.7)		(14.1)
Long-term debt	2,306.8		2,293.7
Credit agreement \| Term Loan Facility \| Credit Agreement — Term Loan Facility
Debt Instrument [Line Items]
Long-Term Debt	231.2		234.4
Unamortized Debt Issuance Costs	(0.9)		(1.0)
Unamortized Original Issue Premium (Discount)	0.0		0.0
Long-Term Debt, Net	$ 230.3		$ 233.4
Weighted Average Interest Rate	2.12%		2.88%
Senior notes \| 5.25% Senior Notes due 2025 (the 2025 Notes)
Debt Instrument [Line Items]
Long-Term Debt		$ 650.0	$ 650.0
Unamortized Debt Issuance Costs			(4.2)
Unamortized Original Issue Premium (Discount)			0.0
Long-Term Debt, Net			$ 645.8
Stated interest rate			5.25%
Senior notes \| 3.8% Senior Notes due 2027 (the 2027 Notes)
Debt Instrument [Line Items]
Long-Term Debt	$ 750.0		$ 750.0
Unamortized Debt Issuance Costs	(4.5)		(4.7)
Unamortized Original Issue Premium (Discount)	(3.9)		(4.1)
Long-Term Debt, Net	$ 741.6		$ 741.2
Weighted Average Interest Rate	3.885%		3.885%
Stated interest rate	3.80%
Senior notes \| 4.25% Senior Notes due 2029 (the 2029 Notes)
Debt Instrument [Line Items]
Long-Term Debt	$ 375.0		$ 375.0
Unamortized Debt Issuance Costs	(2.8)		(2.9)
Unamortized Original Issue Premium (Discount)	(1.1)		(1.1)
Long-Term Debt, Net	$ 371.1		$ 371.0
Weighted Average Interest Rate	4.288%		4.288%
Stated interest rate	4.25%
Senior notes \| 2049 Notes issued 2019
Debt Instrument [Line Items]
Long-Term Debt			$ 325.0
Unamortized Debt Issuance Costs			(3.3)
Unamortized Original Issue Premium (Discount)			(5.3)
Long-Term Debt, Net			$ 316.4
Weighted Average Interest Rate			5.363%
Senior notes \| 3.5% Senior Notes due 2030 (the 2030 Notes)
Debt Instrument [Line Items]
Long-Term Debt	$ 350.0
Unamortized Debt Issuance Costs	(2.8)
Unamortized Original Issue Premium (Discount)	(0.8)
Long-Term Debt, Net	$ 346.4
Weighted Average Interest Rate	3.525%
Stated interest rate	3.50%	3.50%
Senior notes \| 5.25% Senior Notes due 2049 (the 2049 Notes)
Debt Instrument [Line Items]
Long-Term Debt	$ 625.0
Unamortized Debt Issuance Costs	(6.4)
Unamortized Original Issue Premium (Discount)	14.5
Long-Term Debt, Net	$ 633.1
Weighted Average Interest Rate	5.103%
Stated interest rate	5.25%	5.25%

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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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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

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