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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Reconciliation of shares used in the basic and diluted net income per share computation | The following tables reflect a reconciliation of the shares used in the basic and diluted net income per share computation for fiscal 2017, 2016, and 2015:
|  | Fiscal
(in thousands, except per share) |  | 2017 |  | 2016 |  | 2015
|  | Basic |  | Diluted |  | Basic |  | Diluted |  | Basic |  | Diluted
NUMERATOR: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 112,011 |  |  | $ | 112,011 |  |  | $ | 47,112 |  |  | $ | 47,112 |  |  | $ | 50,639 |  |  | $ | 50,639 |
DENOMINATOR: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding - Basic |  | 70,906 |  |  | 70,906 |  |  | 70,477 |  |  | 70,477 |  |  | 75,414 |  |  | 75,414 |
Stock options |  |  |  | 19 |  |  |  |  | 32 |  |  |  |  | 70 |
Time-based restricted stock |  |  |  | 592 |  |  |  |  | 274 |  |  |  |  | 175 |
Market-based restricted stock |  |  |  | 546 |  |  |  |  | 58 |  |  |  |  | — |
Weighted average shares outstanding - Diluted |  |  |  | 72,063 |  |  |  |  | 70,841 |  |  |  |  | 75,659 |
EPS: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income per share - Basic |  | $ | 1.58 |  |  | $ | 1.58 |  |  | $ | 0.67 |  |  | $ | 0.67 |  |  | $ | 0.67 |  |  | $ | 0.67 |
Effect of dilutive shares |  |  |  | $ | (0.03 | ) |  |  |  | $ | — |  |  |  |  | $ | — |
Net income per share - Diluted |  |  |  | $ | 1.55 |  |  |  |  | $ | 0.67 |  |  |  |  | $ | 0.67 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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