Commitments and Contingencies (Detail) - May 30, 2013 ₪ in Thousands, $ in Thousands	ILS (₪) defendant Segment	USD ($) defendant Segment
Commitments and Contingencies Disclosure [Abstract]
Class action lawsuit filed	₪ 19,200	$ 5,300
Number of defendants \| defendant	2	2
Number of segments on call \| Segment	2	2

Amount of bankruptcy claim filed with bankruptcy court.

No definition available.

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