Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash outflows related to operating leases	$ 120.3	$ 179.0
Operating cash outflows related to interest on finance leases	1.1	0.9
Financing cash outflows related to finance leases	5.2	2.3
Leased assets obtained in exchange for new operating liabilities	38.2	68.6
Leased assets obtained in exchange for new finance lease liabilities	$ 16.5	$ 6.8

Cash Paid In Amounts Included In Measurement Of Lease Liabilities [Abstract]

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- Definition

Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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