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Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of supplemental operating lease information

The following tables present supplemental operating lease information.

			Year Ended December 31,
(in millions)			2021						2020						2019
Operating lease cost			$	15.3					$	10.1					$	8.1
Cash paid for amounts included in the measurement of operating lease liabilities			$	12.6					$	8.6					$	7.7
									December 31,
(in millions, except weighted average data)									2021						2020
Weighted average remaining lease term									8.8 years						10.3 years
Weighted average discount rate									5.2		%				5.6		%
Restricted cash related to letters of credit issued in lieu of cash security deposits									$	3.2					$	3.2

Summary of minimum lease payments for operating lease liabilities

Approximate future minimum lease payments under operating leases were as follows:

(in millions)			December 31, 2021
Year ending December 31, 2022			$	17.0
Year ending December 31, 2023			17.9
Year ending December 31, 2024			17.4
Year ending December 31, 2025			15.9
Year ending December 31, 2026			15.7
Thereafter			70.4
Total operating lease payments			154.3
Less accreted interest			32.5
Total operating lease liabilities			121.8
Less current operating lease liabilities included in other current liabilities			16.5
Noncurrent operating lease liabilities			$	105.3

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

+ Details

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