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Detail of Rent Expense (Detail) - USD ($) $ in Millions	12 Months Ended
Detail of Rent Expense (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Leases Disclosure [Line Items]
Restaurants	$ 1,399.5	$ 1,530.4	$ 1,433.9
Other	79.8	76.4	87.9
Rent Expense	$ 1,479.3	$ 1,606.8	$ 1,521.8