Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases

Schedule of lease cost

	Year Ended December 31,
	2021		2020		2019
	(in millions)
Operating lease cost	$	82.2	$	82.1	$	84.4

Schedule of supplemental cash flow and other lease information

	Year Ended December 31,
	2021		2020
	(in millions)
Supplemental cash flow information:
Cash payments for operating leases	$	81.7	$	81.7
Right-of-use assets obtained in exchange for operating lease obligations	$	46.8	$	58.8
	December 31,		December 31,
	2021		2020
Other lease information:
Weighted average remaining lease term—operating leases		5.8 years		5.7 years
Weighted average discount rate—operating leases		3.3%		3.7%

Schedule of maturities of operating lease liabilities

	(in millions)
2022	$	62.1
2023		50.7
2024		39.9
2025		27.9
2026		17.8
Thereafter		52.0
Total operating lease payments		250.4
Less: imputed interest		(29.3)
Total operating lease liabilities	$	221.1