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
	Mar. 31, 2013	Apr. 01, 2012
Segment Reporting, Asset Reconciling Item [Line Items]
Total expenditures for property, plant and equipment	$ 15,635	$ 13,330
Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total expenditures for property, plant and equipment	15,635	13,133
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Total expenditures for property, plant and equipment		$ 197