CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
NET INCOME (LOSS)	$ 18,803	$ (144)	$ 54,389
Pension and post retirement plans:
Unrealized net gain (loss) and other components of benefit plans, net of taxes of $(117,853), $88,622 and $66,725	176,779	(132,871)	(100,087)
Investment in unconsolidated companies:
Other comprehensive income (loss), net of taxes of $243, $528 and $336	(364)	(791)	(506)
Other comprehensive income (loss)	176,415	(133,662)	(100,593)
Comprehensive income (loss)	$ 195,218	$ (133,806)	$ (46,204)