Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash outflows related to operating leases	$ 47.1	$ 70.8
Operating cash outflows related to interest on finance leases	0.5	0.5
Financing cash outflows related to finance leases	4.2	1.7
Leased assets obtained in exchange for new operating liabilities	$ 5.7	9.2
Leased assets obtained in exchange for new finance lease liabilities		$ 4.9

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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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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.

+ References

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