Segment Information - Additional Information (Detail)	12 Months Ended
Dec. 27, 2014 Customer Country Segment
Segment Reporting Information [Line Items]
Number of operating segments	3us-gaap_NumberOfReportableSegments
Number of countries accounting for 10% or more of the total sales	0
Number of customers accounting for 10% or more of the total sales	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