Comprehensive Income (Loss) (Details) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jun. 18, 2011	Jun. 19, 2010	Jun. 18, 2011	Jun. 19, 2010	Jan. 01, 2011
Accumulated other comprehensive income (loss)
Foreign currency translation adjustments	$ 18,846	$ 4,532	$ 18,846	$ 4,532	$ 11,548
Fair value of foreign exchange contracts, net of taxes	(1,753)	1,816	(1,753)	1,816	(1,815)
Pension adjustments, net of taxes	(50,856)	(53,737)	(50,856)	(53,737)	(50,856)
Accumulated other comprehensive income (loss)	(33,763)	(47,389)	(33,763)	(47,389)	(41,123)
Reconciliation from net earnings to comprehensive income
Net earnings	23,963	17,222	59,843	44,681
Other comprehensive income (loss):
Foreign currency translation adjustments	159	(2,042)	7,298	(9,945)
Change in fair value of foreign exchange contracts, net of taxes	1,367	3,227	62	5,362
Comprehensive income	$ 25,489	$ 18,407	$ 67,203	$ 40,098

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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