|
Useful Life in Years (Detail)
|
12 Months Ended |
|---|---|
|
Oct. 31, 2012
|
|
|
Computer and Office Equipment | Minimum
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Useful lives of depreciable assets | 3 years |
|
Computer and Office Equipment | Maximum
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Useful lives of depreciable assets | 5 years |
|
Building
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Useful lives of depreciable assets | 30 years |
|
Furniture and Fixtures
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Useful lives of depreciable assets | 5 years |
|
Leasehold Improvements
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Useful lives of depreciable assets | 5 years |