Acquisitions (Schedule Of Intangible Assets Acquired) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 25, 2016	Jun. 27, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 7,080	$ 9,100
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	10 years
Franchise Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets		7,100
Customer Lists [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 3,593
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	7 years
Favorable Leases [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 3,187
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	14 years
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 300	$ 2,000
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	2 years
Fiscal 2016 Acquisitions [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	13 years
Fiscal 2016 Acquisitions [Member] | Franchise Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	13 years
Fiscal 2016 Acquisitions [Member] | Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	15 years