CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2016	Mar. 29, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
NET LOSS	$ (12,741)	$ (11,346)
Pension and post retirement plans:
Change in pension and post-retirement benefit plans, net of taxes of $(1,535) and $(1,921)	2,302	2,881
Investment in unconsolidated companies:
Other comprehensive loss, net of taxes of $330 and $165	(495)	(247)
Other comprehensive income (loss)	1,807	2,634
Comprehensive loss	$ (10,934)	$ (8,712)