CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended								6 Months Ended		12 Months Ended
	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Jan. 01, 2012	Jan. 02, 2011	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012	Jul. 03, 2011
Net income (loss)	$ 373	$ 1,122	$ 1,165	$ 472	$ 1,022	$ 1,501	$ 3,219	$ 6,881	$ 4,292	$ 1,507	$ 3,132	$ 12,623	$ 6,448	$ 3,663
Change in unrecognized pension liability									(35,940)	3,491	35,389	(8,867)	(32,576)	14,613
Change in currency translation adjustments									(218)	109	(284)	132	(42)	284
Comprehensive income (loss)									$ (31,866)	$ 5,107	$ 38,237	$ 3,888	$ (26,170)	$ 18,560