| 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 | 
| X | ||||||||||
| 
- Definition Loss Contingency, Number Of Additional Defendants No definition available. 
 | 
| X | ||||||||||
| 
- Definition Number of Segments on Call No definition available. 
 | 
| X | ||||||||||
| 
- Definition Amount of bankruptcy claim filed with bankruptcy court. No definition available. 
 | 
| X | ||||||||||
| 
- References No definition available. 
 |