Operating Results Historically Included Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended			12 Months Ended
	Sep. 27, 2013	Jun. 28, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales from discontinued operations				$ 9,090	$ 44,655	$ 61,984
Income (loss) from discontinued operations before income taxes				(1,713)	(5,041)	7,837
Income (loss) from discontinued operations, net of tax				(927)	(5,151)	7,325
Gain (loss) on disposal of discontinued operations, net of tax	$ (281)	$ (311)	$ 2,255	$ (592)	$ 2,255