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Commitments and Contingencies (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]    
Lease guarantees $ 600,600,000 $ 630,800,000
Credit facility guarantees 434,600,000 399,600,000
Cash pooling guarantees 107,300,000 $ 109,200,000
Assets pledged as security for parent company guarantees $ 0