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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 25, 2010 | Dec. 26, 2009
Accumulated other comprehensive (loss) income: |  |  |
Net change with respect to derivative instruments and hedging activities, tax | $ 559 | $ (191) | $ (1,794)
Net actuarial loss on pension and postretirement obligations, tax | 4,786 | 1,631 | 2,138
Noncontrolling interest: |  |  |
Net change with respect to derivative instruments and hedging activities, tax |  |  | $ (279)

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