Income Taxes - Additional Information (Detail) $ in Thousands, ₪ in Millions |
1 Months Ended |
3 Months Ended |
12 Months Ended |
|
|
Jan. 31, 2016
USD ($)
|
Jan. 31, 2016
ILS (₪)
|
Oct. 31, 2014
USD ($)
|
Oct. 31, 2014
ILS (₪)
|
Jan. 31, 2017
USD ($)
|
Jan. 31, 2016
USD ($)
|
Oct. 31, 2017
USD ($)
|
Jan. 31, 2017
ILS (₪)
|
| Unrecognized Tax Benefits |
|
|
|
|
$ 106,500
|
|
|
|
| Provision for (benefit from) income taxes |
|
|
|
|
2,920
|
$ 1,999
|
|
|
| Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |
|
|
|
|
(14,804)
|
$ 25,732
|
|
|
| Foreign Tax Authority [Member] |
|
|
|
|
|
|
|
|
| Amount of transaction under examination |
|
|
$ 361,400
|
₪ 1,360
|
|
|
|
|
| Scenario, Forecast [Member] | intercompany loan [Member] | ISRAEL |
|
|
|
|
|
|
|
|
| Repayments of Debt |
|
|
|
|
|
|
$ 69,000
|
|
| Tax Year 2009 [Member] | Foreign Tax Authority [Member] |
|
|
|
|
|
|
|
|
| Amount of transaction under examination |
$ 584,200
|
₪ 2,200
|
|
|
|
|
|
|
| Loss Contingency, Estimate of Possible Loss |
|
|
|
|
341,800
|
|
|
₪ 1,290
|
| Tax Year 2008 [Member] | Foreign Tax Authority [Member] |
|
|
|
|
|
|
|
|
| Amount of transaction under examination |
$ 591,000
|
₪ 2,230
|
|
|
|
|
|
|
| Loss Contingency, Estimate of Possible Loss |
|
|
|
|
$ 405,400
|
|
|
₪ 1,530
|