INCOME TAXES - Deferred Tax Assets & Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012
Current deferred tax:
Allowance for doubtful accounts	$ 1,026	$ 886
Inventories	(694)	(4,031)
Compensation and benefits	2,102	4,375
Other	6,049	3,404
Total current tax asset	8,483	4,634
Less: valuation allowance	(10,061)	(6,343)
Net current deferred tax liability	(1,578)	(1,709)
Long-term deferred tax:
Depreciation	(187)	1,524
Goodwill and intangible assets	4,383	550
Pension	73,517	97,755
Capital loss carryforwards	19,289	20,575
Net operating loss carryforward	38,745	33,859
Federal tax credit	1,541	1,600
Other	7,473	6,238
Total long-term tax asset	145,135	159,053
Less: valuation allowance	(135,829)	(136,288)
Net long-term deferred tax asset	9,306	22,765
Net deferred tax asset	$ 7,728	$ 21,056