Condensed Consolidated Statements Of Income (Parenthetical) (USD $) In Thousands	3 Months Ended				6 Months Ended
	Jun. 26, 2011		Jun. 27, 2010		Jun. 26, 2011		Jun. 27, 2010
Condensed Consolidated Statements Of Income
Loss on disposition	$ (4,504)	[1]	$ 28,825	[1]	$ 52,269	[1]	$ 38,562	[1]

[1] Gain on disposition during the first quarter of 2011 includes curtailment and settlement losses of approximately $11.5 million on the pension and postretirement obligations that were transferred to the buyer in connection with the sale of the marine business. The loss on disposition during the second quarter of 2011 includes an adjustment to the pension and postretirement liabilities of $3.5 million.