CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2016	Sep. 27, 2015	Sep. 25, 2016	Sep. 27, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
NET LOSS	$ (9,804)	$ (1,149)	$ (37,279)	$ (308,992)
Pension and post retirement plans:
Change in pension and post-retirement benefit plans, net of taxes of $(1,535), $(1,921), $(4,604) and $(5,763)	2,303	2,881	6,907	8,645
Investment in unconsolidated companies:
Other comprehensive income (loss), net of taxes of $547, $128, $625 and $382	(819)	(192)	(937)	(572)
Other comprehensive income (loss)	1,484	2,689	5,970	8,073
Comprehensive income (loss)	$ (8,320)	$ 1,540	$ (31,309)	$ (300,919)