Divestiture-Related Activities (Schedule Of Assets And Liabilities Held For Sale) (Detail) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	$ 2,471
Inventories, net	7,514
Other current assets	41
Property, plant and equipment, net	17,050	7,902
Goodwill	18,476
Intangible assets, net	8,338
Total assets held for sale	53,890	7,902
Current liabilities	1,749
Total liabilities held for sale	$ 1,749