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Equity (Tables) | 12 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of the Company's RSU activity | A summary of our RSU activity for the year ended September 30, 2018, is as follows:
| Shares |  | Weighted-Average Grant-Date Fair Value
Non-vested shares outstanding at September 30, 2017 | 822,827 |  |  | $ | 51.69 |
Granted | 365,071 |  |  | 64.33 |
Vested | (464,658 | ) |  | 53.35 |
Forfeited | (61,307 | ) |  | 54.90 |
Non-vested shares outstanding at September 30, 2018 | 661,933 |  |  | 57.78 |
Summary of information pertaining to stock options vested and exercised | The following table summarizes information pertaining to the stock options vested and exercised for the years presented (in thousands):
| Year ended September 30,
| 2018 |  | 2017 |  | 2016
Aggregate intrinsic value of all stock options exercised | $ | — |  |  | $ | 4,025 |  |  | $ | 4,077 |
Net cash proceeds from exercise of stock options | — |  |  | 924 |  |  | 546 |

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- Definition Tabular disclosure of other pertinent information related to stock options not otherwise defined. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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