Other Noncurrent Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
OTHER NONCURRENT LIABILITIES [Abstract]
Accrued pension liability	$ 31,278	$ 27,318
Reserve for self insurance, litigation, environmental and tax matters	28,209	28,810
Other	2,052	2,117
Total other noncurrent liabilities	$ 61,539	$ 58,245