Debt - Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2020	Mar. 06, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-term debt	$ 3,562.1		$ 2,729.3
Finance Leases and Financing Obligations	140.7		134.2
Other	5.1		5.4
Total Long-Term Debt	3,702.8		2,863.5
Less: Current Portion	484.7		41.1
Long-term Debt, Gross And Finance Lease Liability	3,218.1		2,822.4
Less: Unamortized Deferred Debt Issuance Costs	21.2		12.5
Total	3,196.9		2,809.9
Senior Notes \| Senior Notes with interest payable semi-annually at 3.50%, effective rate of 3.55%, payable in 2029
Debt Instrument [Line Items]
Long-term debt	$ 350.0		0.0
Stated interest rate	3.50%	3.50%
Effective interest rate	3.55%
Senior Notes \| Senior Notes with interest payable semi-annually at 3.50%, effective rate of 3.55%, payable in 2028
Debt Instrument [Line Items]
Long-term debt	$ 450.0		0.0
Stated interest rate	3.50%	3.50%
Effective interest rate	3.55%
Senior Notes \| Senior Notes with interest payable semi-annually at 4.75%, effective rate of 4.82%, payable in 2027
Debt Instrument [Line Items]
Long-term debt	$ 300.0		300.0
Stated interest rate	4.75%
Effective interest rate	4.82%
Senior Notes \| Senior Notes with interest payable semi-annually at 4.125%, effective rate of 4.16%, payable in 2024
Debt Instrument [Line Items]
Long-term debt	$ 300.0		300.0
Stated interest rate	4.125%
Effective interest rate	4.16%
Senior Notes \| Senior Notes with interest payable semi-annually at 4.875%, effective rate of 4.90%, payable in 2022
Debt Instrument [Line Items]
Long-term debt	$ 250.0		250.0
Stated interest rate	4.875%
Effective interest rate	4.90%
Senior Notes \| Senior Notes with interest payable semi-annually at 4.75%, effective rate of 4.76%, payable in 2021
Debt Instrument [Line Items]
Long-term debt	$ 425.0		425.0
Stated interest rate	4.75%
Effective interest rate	4.76%
Term Loan
Debt Instrument [Line Items]
Long-term debt	$ 1,368.8		1,396.1
Interest rate at period end	1.62%
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	$ 113.2		$ 52.8
Interest rate at period end	1.52%

Long-term Debt, Gross And Finance Lease Liability

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- Definition

Long-Term Debt, Gross And Finance Lease Liability, Including Current Maturities

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- Definition

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

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Present value of lessee's discounted obligation for lease payments from finance lease.

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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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Amount of long-term debt and lease obligation, classified as noncurrent.

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

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Amount of long-term debt classified as other.

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