Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 4.8	$ 5.3	$ 5.0
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives, in years	10 years
Franchise Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives, in years	13 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives, in years	5 years