CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
NET INCOME (LOSS)	$ (2,760)	$ 7,265	$ 71,347	$ 6,276
Pension and post retirement plans:
Unrealized net gain and other components of benefit plans, net of taxes of $(1,255), $(2,258), $(3,763) and $(6,773)	1,882	3,387	5,645	10,160
Investment in unconsolidated companies:
Other comprehensive income (loss), net of taxes of $98, $(43), $(405) and $444	(147)	65	607	(666)
Other comprehensive income	1,735	3,452	6,252	9,494
Comprehensive income (loss)	$ (1,025)	$ 10,717	$ 77,599	$ 15,770