Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Components of Lease Expense

The components of lease expense for the year ended December 31, 2020 and 2019 were as follows:

	Years Ended December 31,
	2020			2019
Operating lease cost	$	89.3		$	94.4
Variable lease cost		32.7			32.4
Sublease income		(1.7	)		(1.2	)
Total lease cost	$	120.3		$	125.6

Schedule of Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases for the year ended December 31, 2020 and 2019 was as follows:

	Years Ended December 31,
	2020		2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash outflows	$	81.8	$	81.6
Right-of-use assets obtained in exchange for lease obligations
Operating leases	$	109.0	$	66.9

Schedule of Future Lease Payments Under Operating Leases

As of December 31, 2020, the future lease payments under operating leases were as follows:

	Twelve Months Ended
	2020
Year Ended December 31	Operating Leases
2021	$	74.7
2022		59.5
2023		45.6
2024		30.8
2025		23.1
2026 and thereafter		39.0
Total lease payments		272.7
Less: Amount representing interest		42.4
Present value of lease obligation	$	230.3
Weighted average remaining lease term	4.9 years
Weighted average discount rate		6.8	%