CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 23, 2012	Sep. 25, 2011	Sep. 23, 2012	Sep. 25, 2011
CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)
Unamortized gain (loss)/prior service credit, taxes	$ (1,100)	$ (611)	$ (3,299)	$ 11,746
Other comprehensive income (loss) related to investment in unconsolidated companies, taxes	$ (140)	$ 381	$ 721	$ 82

Tax effect, net of reclassification adjustments, of the change in accumulated other comprehensive income (loss) related to pension and other postretirement benefit plans, attributable to the parent entity.

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+ Details