Summary Of Significant Accounting Policies (Aggregate Impact of Restatement Adjustments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013	Dec. 29, 2013
Net revenues	$ 160,595	$ 174,888	$ 478,926	$ 495,351
Operating income	10,764	13,581	25,917	17,754
Interest expense	1,062	2,976	3,517	8,870
Income taxes expense	14,110	2,665	17,107	3,265
Net (loss) earnings	(4,075)	7,132	5,650	(13,781)	(18,927)
Restatement Adjustments
Net revenues		422		32
Operating income		(136)		(1,142)
Interest expense		523		1,536
Income taxes expense		(167)		(630)
Net (loss) earnings		(492)		(2,048)
Spain Transaction Adjustment | Restatement Adjustments
Net revenues		0		(900)
Operating income		0		(900)
Interest expense		500		(1,500)
Income taxes expense		(200)		(700)
Net (loss) earnings		$ (300)		$ (1,700)