Schedule of Operating Results of Operations Treated as Discontinued Operations (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012		Jul. 01, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment	$ 9,700	[1]	$ 9,700	[1]
Gain (loss) on disposition	$ 2,264	[2]	$ 2,264	[2]

[1] During the second quarter of 2012, the Company recognized a non-cash goodwill impairment charge of $9.7 million to adjust the carrying value of the orthopedic business to its estimated fair value.

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