Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash outflows related to operating leases	$ 71.6	$ 97.4
Operating cash outflows related to interest on finance leases	0.8	0.8
Financing cash outflows related to finance leases	6.0	3.3
Leased assets obtained in exchange for new operating liabilities	6.9	13.1
Leased assets obtained in exchange for new finance lease liabilities	$ 0.4	$ 14.1

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

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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
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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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