Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Summary of Long-Term Debt and Related Weighted Average Interest Rates

A summary of long-term debt, net of unamortized debt issuance costs and unamortized original issue premium (discount) and the related weighted average interest rates is shown below (in millions):

December 31,	2020
Debt Instrument	Long-Term Debt		Unamortized Debt Issuance Costs		Unamortized Original Issue Premium (Discount)		Long-Term Debt, Net		Weighted Average Interest Rate
Credit Agreement — Term Loan Facility	$	220.3	$	(0.6)	$	—	$	219.7	1.36%
3.8% Senior Notes due 2027 (the "2027 Notes")	750.0		(4.1)		(3.5)		742.4		3.885%
4.25% Senior Notes due 2029 (the "2029 Notes")	375.0		(2.6)		(1.0)		371.4		4.288%
3.5% Senior Notes due 2030 (the "2030 Notes")	350.0		(2.6)		(0.7)		346.7		3.525%
5.25% Senior Notes due 2049 (the "2049 Notes")	625.0		(6.3)		14.2		632.9		5.103%
Other	1.4		—		—		1.4		N/A
	$	2,321.7	$	(16.2)	$	9.0	2,314.5
Less — Current portion							(14.2)
Long-term debt							$	2,300.3

December 31,	2019
Debt Instrument	Long-Term Debt		Unamortized Debt Issuance Costs		Unamortized Original Issue Discount		Long-Term Debt, Net		Weighted Average Interest Rate
Credit Agreement — Term Loan Facility	$	234.4	$	(1.0)	$	—	$	233.4	2.880%
5.25% Senior Notes due 2025 (the "2025 Notes")	650.0		(4.2)		—		645.8		5.250%
2027 Notes	750.0		(4.7)		(4.1)		741.2		3.885%
2029 Notes	375.0		(2.9)		(1.1)		371.0		4.288%
2049 Notes	325.0		(3.3)		(5.3)		316.4		5.363%
	$	2,334.4	$	(16.1)	$	(10.5)	2,307.8
Less — Current portion							(14.1)
Long-term debt							$	2,293.7

Senior Notes

The issuance, maturity and interest payment dates of the Company's senior unsecured 2027 Notes, 2029 Notes, 2030 Notes and 2049 Notes (collectively, the "Notes") are as shown below:

Note	Issuance Date	Maturity Date	Interest Payment Dates
2027 Notes	August 2017	September 15, 2027	March 15 and September 15
2029 Notes	May 2019	May 15, 2029	May 15 and November 15
2030 Notes	February 2020	May 30, 2030	May 30 and November 30
2049 Notes	May 2019 and February 2020	May 15, 2049	May 15 and November 15

Credit Agreement Interest Rate Ranges

As of December 31, 2020, the ranges and rates are as follows (in percentages):

	Eurocurrency Rate						Base Rate
	Minimum		Maximum		Rate as of December 31, 2020		Minimum		Maximum		Rate as of December 31, 2020
Revolving Credit Facility	1.00	%	1.60	%	1.10	%	0.00	%	0.60	%	0.10	%
Term Loan Facility	1.125	%	1.90	%	1.25	%	0.125	%	0.90	%	0.25	%

Schedule of Maturities of Long-term Debt

As of December 31, 2020, scheduled maturities related to the Credit Agreement — Term Loan Facility for the five succeeding years are shown below (in millions):

2021	$	14.1
2022	206.2
2023	—
2024	—
2025	—