Condensed Consolidated Statements Of Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jul. 01, 2012		Jun. 26, 2011		Jul. 01, 2012		Jun. 26, 2011
Gain (loss) on disposal of discontinued operations	$ 2,264	[1]	$ (4,504)	[1]	$ 2,264	[1]	$ 52,269	[1]

[1] The $2.3 million pre-tax gain on disposition in 2012 reflects the gain recognized on the working capital adjustment in the second quarter related to the sale of the cargo systems and cargo container businesses.