Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended
	Aug. 25, 2015	Mar. 27, 2016	Mar. 29, 2015	Dec. 27, 2015	May. 31, 2011
Business Acquisition [Line Items]
Intangible assets, net		$ 45,473		$ 47,777
Amortization expense		2,700	$ 2,700
Cash payment to escrow					$ 17,500
Escrow amount paid related to acquisition	$ 17,500
Acquisition costs		$ 0	$ 79
Two Thousand Ten Performance
Business Acquisition [Line Items]
Additional purchase price contingent on performance of acquired businesses					$ 6,300