Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)	0 Months Ended		3 Months Ended		9 Months Ended
	May 16, 2011	Jan. 28, 2011	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013	Dec. 29, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible assets, net			$ 69,042,000		$ 69,042,000		$ 78,166,000
Amortization expense			2,800,000	3,000,000	8,400,000	8,900,000
Settlement date of acquisition		May 16, 2011
Business acquisition, purchase price	78,700,000
Cash acquired on acquisition	1,900,000
Assumption of debt	4,200,000
Cash payment to escrow	17,500,000
Additional purchase price contingent on performance of acquired businesses	6,300,000
Acquisition costs			$ 291,000	$ 253,000	$ 291,000	$ 694,000