Condensed Consolidated Statements of Stockholders' Equity - USD ($)
|
Total |
Common Stock |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Treasury Stock [Member] |
| Beginning balance at Jul. 31, 2015 |
$ 401,409,000
|
$ 3,117,000
|
$ 427,083,000
|
$ 413,058,000
|
$ (441,849,000)
|
| Common stock, beginning balance (in shares) at Jul. 31, 2015 |
|
31,165,401
|
|
|
|
| Treasury stock, beginning balance (in shares) at Jul. 31, 2015 |
|
|
|
|
15,033,317
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Equity-classified stock award compensation |
3,125,000
|
|
3,125,000
|
|
|
| Proceeds from issuance of employee stock purchase plan shares |
499,000
|
$ 3,000
|
496,000
|
|
|
| Proceeds from issuance of employee stock purchase plan shares (in shares) |
|
29,070
|
|
|
|
| Common stock issued for net settlement of stock-based awards |
(74,000)
|
$ 1,000
|
(75,000)
|
|
|
| Common stock issued for net settlement of stock-based awards (in shares) |
|
9,925
|
|
|
|
| Cash dividends declared |
(14,544,000)
|
|
|
(14,544,000)
|
|
| Accrual of dividend equivalents, net of reversal |
(97,000)
|
|
|
(97,000)
|
|
| Net income tax shortfall from settlement of stock-based awards |
(25,000)
|
|
(25,000)
|
|
|
| Reversal of deferred tax assets associated with expired and unexercised stock-based awards |
(55,000)
|
|
(55,000)
|
|
|
| Net income (loss) |
(10,440,000)
|
|
|
(10,440,000)
|
|
| Ending balance at Apr. 30, 2016 |
379,798,000
|
$ 3,121,000
|
430,549,000
|
387,977,000
|
$ (441,849,000)
|
| Common stock, ending balance (in shares) at Apr. 30, 2016 |
|
31,204,396
|
|
|
|
| Treasury stock, ending balance (in shares) at Apr. 30, 2016 |
|
|
|
|
15,033,317
|
| Beginning balance at Jul. 31, 2016 |
$ 470,401,000
|
$ 3,837,000
|
524,797,000
|
383,616,000
|
$ (441,849,000)
|
| Common stock, beginning balance (in shares) at Jul. 31, 2016 |
38,367,997
|
38,367,997
|
|
|
|
| Treasury stock, beginning balance (in shares) at Jul. 31, 2016 |
15,033,317
|
|
|
|
15,033,317
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Equity-classified stock award compensation |
$ 2,980,000
|
|
2,980,000
|
|
|
| Proceeds from issuance of employee stock purchase plan shares |
514,000
|
$ 5,000
|
509,000
|
|
|
| Proceeds from issuance of employee stock purchase plan shares (in shares) |
|
49,694
|
|
|
|
| Issuance of restricted stock, net |
0
|
$ 14,000
|
(14,000)
|
|
|
| Issuance of restricted stock, net (in shares) |
|
144,988
|
|
|
|
| Common stock issued for net settlement of stock-based awards |
(244,000)
|
$ 4,000
|
(248,000)
|
|
|
| Common stock issued for net settlement of stock-based awards (in shares) |
|
40,354
|
|
|
|
| Cash dividends declared |
(11,691,000)
|
|
|
(11,691,000)
|
|
| Accrual of dividend equivalents, net of reversal |
(228,000)
|
|
|
(228,000)
|
|
| Net income tax shortfall from settlement of stock-based awards |
(240,000)
|
|
(240,000)
|
|
|
| Reversal of deferred tax assets associated with expired and unexercised stock-based awards |
(350,000)
|
|
(350,000)
|
|
|
| Net income (loss) |
8,513,000
|
|
|
8,513,000
|
|
| Ending balance at Apr. 30, 2017 |
$ 469,655,000
|
$ 3,860,000
|
$ 527,434,000
|
$ 380,210,000
|
$ (441,849,000)
|
| Common stock, ending balance (in shares) at Apr. 30, 2017 |
38,603,033
|
38,603,033
|
|
|
|
| Treasury stock, ending balance (in shares) at Apr. 30, 2017 |
15,033,317
|
|
|
|
15,033,317
|