Basic and Diluted Weighted-Average Shares Outstanding - Additional Information (Detail)	6 Months Ended
Jun. 29, 2013	Oct. 29, 2012
Earnings Per Share [Abstract]
Stock Distribution		Three-for-twenty
Date of payment of dividend to shareholders	Oct. 29, 2013

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

No definition available.

Name:	us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration