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Consolidated Statements of Comprehensive Operations (Parentheticals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 30, 2011	Dec. 31, 2010
Tax expense for pension liability adjustment to other comprehensive income	$ 225	$ 45	$ 1,334
Tax expense for amortization of losses on derivative instruments in other comprehensive income	$ 0	$ 0	$ 1,383

Tax effect of the increase (decrease) in the value of the projected benefit obligation and the (increase) decrease in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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- Definition

Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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