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Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Summary of Operating Leases

The components of lease costs for operating leases for the years ended December 31, 2021, 2020 and 2019 was as follows (in millions):

		Year Ended December 31,
		2021				2020				2019
Operating lease costs		$	102.3			$	93.1			$	80.6
Short-term lease costs			7.2				5.7				16.6
Sublease income			(3.2	)			(3.4	)			(2.2	)
Variable lease costs			29.0				26.4				25.7
Total		$	135.3			$	121.8			$	120.7

Summary of Supplemental Cash Flow Information Related To leases

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

		Year Ended December 31,
		2021				2020				2019
Cash paid for amounts included in the measurement of operating lease liabilities:
Operating cash flows used in operating leases		$	106.3			$	92.0			$	53.3
Supplemental disclosure of non-cash leasing activities:
ROU assets obtained in exchange for new operating lease liabilities			137.1				66.3				193.5

Summary of Weighted-average Remaining Lease Term and Discount Rate

The following table represents the weighted-average remaining lease term and discount rate for the Company’s operating leases:

		December 31,
		2021				2020
Weighted average remaining lease term (years)			6.7				7.3
Weighted average discount rate			4.2	%			4.7	%

Summary of Operating Lease Liability Maturity

Future undiscounted lease payments for the Company’s operating lease liabilities are as follows as of December 31, 2021 (in millions):

2022		$	103.8
2023			108.2
2024			98.3
2025			84.4
2026			72.8
Thereafter			187.8
Total future lease payments			655.3
Less: imputed interest			90.8
Present value of lease liabilities		$	564.5

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Schedule of operating lease weighted average remaining lease term and discount rate.

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Supplemental cash flow information related to ​Leases​.

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- 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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- 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

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