CHANGE IN FISCAL YEAR-END (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Oct. 27, 2012	Nov. 26, 2011	Oct. 29, 2011	Oct. 27, 2012	Nov. 26, 2011	Oct. 29, 2011
CHANGE IN FISCAL YEAR-END
Net sales	$ 117,263	$ 123,896	$ 114,553	$ 314,321	$ 343,957	$ 330,535
Operating income (loss)	3,616	(28,225)	(13,993)	(11,949)	(39,178)	(28,544)
Income tax provision (benefit)	39	118	(133)	173	412	(139)
Net income (loss)	$ 3,583	$ (28,239)	$ (13,749)	$ (12,026)	$ (39,331)	$ (28,131)
Basic earnings (loss) per share:
Net income (loss) (in dollars per share)	$ 0.10	$ (0.79)	$ (0.39)	$ (0.34)	$ (1.11)	$ (0.79)
Basic shares outstanding (in shares)	35,643	35,585	35,578	35,626	35,542	35,527
Diluted earnings (loss) per share:
Net income (loss) (in dollars per share)	$ 0.10	$ (0.79)	$ (0.39)	$ (0.34)	$ (1.11)	$ (0.79)
Diluted shares outstanding (in shares)	36,030	35,585	35,578	35,626	35,542	35,527