Segment Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jul. 01, 2012	Jun. 30, 2013 Segment	Jul. 01, 2012
Segment Reporting Information [Line Items]
Number of reportable segments		3
Insurance proceeds related to business interruption	$ 4.0		$ 4.0

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration