Stock-Based Compensation - Nonvested Stock Award Activity (Details)
$ / shares in Units, $ in Thousands |
3 Months Ended |
|
Oct. 31, 2020
USD ($)
$ / shares
shares
|
|---|
| Number of Shares |
|
| Nonvested stock awards at the beginning of the period (in shares) |
411,715
|
| Granted (in shares) |
471,065
|
| Vested (in shares) |
(113,239)
|
| Forfeited (in shares) |
(6,226)
|
| Nonvested stock awards at the end of the period (in shares) |
763,315
|
| Weighted Average Fair Value |
|
| Nonvested stock awards at the beginning of the period (in dollars per share) | $ / shares |
$ 76.29
|
| Granted (in dollars per share) | $ / shares |
46.80
|
| Vested (in dollars per share) | $ / shares |
82.34
|
| Forfeited (in dollars per share) | $ / shares |
74.10
|
| Nonvested stock awards at the end of the period (in dollars per share) | $ / shares |
$ 57.53
|
| Aggregate fair value of nonvested stock awards that vested | $ |
$ 9,328
|
| Time-based awards |
|
| Number of Shares |
|
| Nonvested stock awards at the beginning of the period (in shares) |
318,702
|
| Granted (in shares) |
388,605
|
| Vested (in shares) |
(103,819)
|
| Forfeited (in shares) |
(5,255)
|
| Nonvested stock awards at the end of the period (in shares) |
598,233
|
| Performance-based awards |
|
| Number of Shares |
|
| Nonvested stock awards at the beginning of the period (in shares) |
29,174
|
| Granted (in shares) |
(4,455)
|
| Vested (in shares) |
(3,037)
|
| Forfeited (in shares) |
0
|
| Nonvested stock awards at the end of the period (in shares) |
21,682
|
| Market-based awards |
|
| Number of Shares |
|
| Nonvested stock awards at the beginning of the period (in shares) |
63,839
|
| Granted (in shares) |
86,915
|
| Vested (in shares) |
(6,383)
|
| Forfeited (in shares) |
(971)
|
| Nonvested stock awards at the end of the period (in shares) |
143,400
|