Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 25, 2017	Mar. 26, 2016	Mar. 28, 2015
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 5.1	$ 3.8	$ 3.6
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives, in years	10 years
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives, in years	14 years
Favorable Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives, in years	14 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