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Commitments and Contingencies (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Lease guarantees	$ 577,000,000.0	$ 630,800,000
Credit facility guarantees	424,000,000.0	399,600,000
Cash pooling guarantees	105,500,000	$ 109,200,000
Assets pledged as security for parent company guarantees	$ 0