Stock-Based Compensation - Performance Shares, RSUs, Restricted Stock and Share Unit Awards (Details) - USD ($)
|
3 Months Ended |
6 Months Ended |
|
Jan. 31, 2016 |
Oct. 31, 2015 |
Jan. 31, 2016 |
Jan. 31, 2015 |
Jul. 31, 2015 |
| Additional Disclosures |
|
|
|
|
|
| Accrual of dividend equivalents, net of reversal |
|
|
$ (41,000)
|
$ (113,000)
|
|
| Carrying value at period end |
$ 64,298,000
|
|
64,298,000
|
|
$ 72,468,000
|
| Amount included in other liabilities |
$ 2,864,000
|
|
2,864,000
|
|
3,633,000
|
| Cash payments to remit employee's minimum statutory tax withholding requirements related to the net settlement of stock-based awards |
|
|
$ 73,000
|
389,000
|
|
| Performance Shares, RSUs, Restricted Stock and Share Units |
|
|
|
|
|
| Awards (in Shares) |
|
|
|
|
|
| Outstanding, Beginning Balance (in shares) |
234,463
|
224,165
|
224,165
|
|
|
| Granted (in shares) |
|
62,440
|
|
|
|
| Converted to common stock (in shares) |
(4,725)
|
(6,988)
|
|
|
|
| Forfeited (in shares) |
(5,333)
|
(45,154)
|
|
|
|
| Outstanding, Ending Balance (in shares) |
224,405
|
234,463
|
224,405
|
|
|
| Vested, Ending Balance (in shares) |
31,181
|
|
31,181
|
|
|
| Vested and Expected to Vest, Ending Balance (in shares) |
214,373
|
|
214,373
|
|
|
| Weighted Average Grant Date Fair Value |
|
|
|
|
|
| Outstanding, Beginning Balance (in dollars per share) |
$ 28.39
|
$ 28.26
|
$ 28.26
|
|
|
| Granted (in dollars per share) |
|
28.35
|
|
|
|
| Converted to common stock (in dollars per share) |
26.77
|
25.28
|
|
|
|
| Forfeited (in dollars per share) |
29.07
|
28.14
|
|
|
|
| Outstanding, Ending Balance (in dollars per share) |
28.41
|
$ 28.39
|
28.41
|
|
|
| Vested, Ending Balance (in dollars per share) |
27.15
|
|
27.15
|
|
|
| Vested and Expected to Vest, Ending Balance (in dollars per share) |
$ 28.40
|
|
$ 28.40
|
|
|
| Aggregate Intrinsic Value |
|
|
|
|
|
| Outstanding, Ending Balance |
$ 4,380,000
|
|
$ 4,380,000
|
|
|
| Vested, Ending Balance |
|
|
609,000
|
|
|
| Vested and Expected to Vest, Ending Balance |
4,185,000
|
|
4,185,000
|
|
|
| Additional Disclosures |
|
|
|
|
|
| Total intrinsic value of stock-based awards settled |
|
|
$ 275,000
|
$ 504,000
|
|
| Performance Shares | Granted prior to fiscal 2014 |
|
|
|
|
|
| Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
5 years 3 months 19 days
|
|
|
| Performance Shares | Granted since fiscal 2014 |
|
|
|
|
|
| Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
|
3 years
|
|
| Performance period (in years) |
|
|
3 years
|
|
|
| RSUs and restricted stock | Non-Employee Director |
|
|
|
|
|
| Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
3 years
|
|
|
| RSUs and restricted stock | Employees |
|
|
|
|
|
| Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
5 years
|
|
|
| Dividend Equivalents |
|
|
|
|
|
| Additional Disclosures |
|
|
|
|
|
| Accrual of dividend equivalents, net of reversal |
|
|
$ (41,000)
|
|
|
| Dividend equivalents paid |
|
|
8,000
|
|
|
| Carrying value at period end |
358,000
|
|
358,000
|
|
325,000
|
| Amount included in other liabilities |
$ 214,000
|
|
$ 214,000
|
|
$ 306,000
|