|
Segment Information and Significant Customers - Schedule of Total Revenue by Geographic Region (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jan. 31, 2015
|
Jan. 31, 2014
|
Jan. 31, 2015
|
Jan. 31, 2014
|
|
| Revenue, Major Customer [Line Items] | ||||
| Revenue | $ 212,931 | $ 176,356 | $ 420,752 | $ 337,283 |
| United States [Member] | ||||
| Revenue, Major Customer [Line Items] | ||||
| Revenue | 134,931 | 113,890 | 267,696 | 222,205 |
| Europe, Middle East and Africa [Member] | ||||
| Revenue, Major Customer [Line Items] | ||||
| Revenue | 42,706 | 33,768 | 87,563 | 59,764 |
| Asia Pacific [Member] | ||||
| Revenue, Major Customer [Line Items] | ||||
| Revenue | 29,188 | 24,260 | 55,194 | 47,254 |
| Rest of World [Member] | ||||
| Revenue, Major Customer [Line Items] | ||||
| Revenue | $ 6,106 | $ 4,438 | $ 10,299 | $ 8,060 |