Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Schedules of Components of Lease Costs and Supplemental Cash Flow Information

The components of lease costs are as follows (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease cost	$	4.0	$	4.3	$	12.1	$	14.1
Sublease income	(0.6)		(0.6)		(1.7)		(1.7)
Total lease cost	$	3.4	$	3.7	$	10.4	$	12.4

Supplemental cash flow information related to leases are as follows (in millions):

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	18.6	$	15.2
Right-of-use assets obtained in exchange for operating lease obligations:	13.6		3.4

Schedule of Operating Lease Maturity

Maturities of lease liabilities as of September 30, 2021 are as follows (in millions):

	Operating Leases
Remainder of 2021	$	4.5
2022	16.7
2023	14.6
2024	14.6
2025	14.7
2026	11.4
Thereafter	25.0
Total	101.5
Less:
Imputed interest	25.7
Present value of lease liabilities	$	75.8

.