Basis Of Presentation (Details) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 29, 2020 USD ($)	Mar. 31, 2019 USD ($)	Jan. 03, 2021
Entity Information [Line Items]
Weeks In Fiscal Period	13	13
Asset impairment charges	$ 1.7	$ 0.9
Minimum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period	52
Maximum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period	53
Subsequent Event [Member]
Entity Information [Line Items]
Weeks In Fiscal Period			53
Burger King Corporate [Member]
Entity Information [Line Items]
Number of Restaurants	1,028
Number of States in which Entity Operates	23
Popeyes [Member]
Entity Information [Line Items]
Number of Restaurants	65
Number of States in which Entity Operates	7