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Summary Of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2018
Accounting Policies [Abstract] |
Deferred Revenue | Deferred revenue consisted of the following:
| September 30,
| 2018 |  | 2017
| (in thousands)
Deferred subscription revenue | $ | 288,012 |  |  | $ | 193,376 |
Deferred support revenue | 196,684 |  |  | 256,999 |
Deferred perpetual license revenue | 1,475 |  |  | 1,773 |
Deferred professional services revenue | 13,272 |  |  | 6,759 |
Total deferred revenue | $ | 499,443 |  |  | $ | 458,907 |
Earnings Per Share Basic And Diluted | The following table presents the calculation for both basic and diluted EPS:
| Year ended September 30,
| 2018 |  | 2017 |  | 2016
| (in thousands, except per share data)
Net income (loss) | $ | 51,987 |  |  | $ | 6,239 |  |  | $ | (54,465 | )
Weighted average shares outstanding | 116,390 |  |  | 115,523 |  |  | 114,612 |
Dilutive effect of employee stock options, restricted shares and restricted stock units | 1,768 |  |  | 1,833 |  |  | — |
Diluted weighted average shares outstanding | 118,158 |  |  | 117,356 |  |  | 114,612 |
Basic earnings (loss) per share | $ | 0.45 |  |  | $ | 0.05 |  |  | $ | (0.48 | )
Diluted earnings (loss) per share | $ | 0.44 |  |  | $ | 0.05 |  |  | $ | (0.48 | )

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