Fair Value Measurements - Narrative (Details) $ in Millions	May 30, 2021 USD ($) restaurant	Feb. 27, 2022 USD ($)
Impaired Long-Lived Assets Held and Used [Line Items]
Carrying value of long-term debt	$ 929.8	$ 916.4
Fair value of long-term debt	1,060.0	980.6
Carrying amount of long-lived assets held and used	2,869.2	$ 3,253.9
Underperforming Restaurants
Impaired Long-Lived Assets Held and Used [Line Items]
Asset impairment	5.0
Significant unobservable inputs (Level 3) | Underperforming Restaurants
Impaired Long-Lived Assets Held and Used [Line Items]
Carrying amount of long-lived assets held and used	$ 5.6
Number of underperforming restaurants | restaurant	4
Assets held-for-sale, long-lived, fair value	$ 0.6