Schedule of Reconciliation Of Segment Expenditures For Property, Plant and Equipment to Condensed Consolidated Total Expenditures for Property, Plant, and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Segment Reporting, Asset Reconciling Item [Line Items]
Total expenditures for property, plant and equipment	$ 17,743	$ 17,199	$ 54,640	$ 46,092
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total expenditures for property, plant and equipment	17,655	14,596	54,234	39,140
Corporate, Non-Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total expenditures for property, plant and equipment	$ 88	$ 2,603	$ 406	$ 6,952