Summary Of Significant Accounting Policies (Aggregate Impact of Restatement Adjustments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013	Dec. 29, 2013
Net revenues	$ 170,925	$ 172,290	$ 318,331	$ 320,463
Operating income	12,987	6,388	15,153	4,173
Interest expense	1,199	3,330	2,455	5,894
Income taxes expense	1,777	600	2,997	600
Net earnings (loss)	9,854	(13,432)	9,725	(20,913)	(18,927)
Restatement Adjustments
Net revenues		272		(390)
Operating income		(93)		(1,006)
Interest expense		508		1,013
Income taxes expense		(184)		(463)
Net earnings (loss)		(417)		(1,556)
Spain Transaction Adjustment [Member] | Restatement Adjustments
Net revenues		5		(900)
Operating income		5		(900)
Interest expense		(500)		(1,000)
Income taxes expense		(100)		(500)
Net earnings (loss)		$ (400)		$ (1,500)