Basis of Presentation - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 29, 2012
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Increase to accounts receivable and other accrued liabilities in current-year presentation	$ 6.4

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration