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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Mar. 31, 2018
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 the three months ended March 31, 2018 and April 1, 2017:
| Three months ended
(in thousands, except per share data) | March 31, 2018 |  | April 1, 2017 As Restated
| Basic |  | Diluted |  | Basic |  | Diluted
NUMERATOR: |  |  |  |  |  |  |  |  |  |  |
Net income | $ | 36,313 |  |  | $ | 36,313 |  |  | $ | 32,670 |  |  | $ | 32,670 |
DENOMINATOR: |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding - Basic | 70,361 |  |  | 70,361 |  |  | 70,964 |  |  | 70,964 |
Stock options |  |  |  | 1 |  |  |  |  |  | 19 |
Time-based restricted stock |  |  |  | 634 |  |  |  |  |  | 612 |
Market-based restricted stock |  |  |  | 429 |  |  |  |  |  | 675 |
Weighted average shares outstanding - Diluted |  |  |  | 71,425 |  |  |  |  |  | 72,270 |
EPS: |  |  |  |  |  |  |  |  |  |  |
Net income per share - Basic | $ | 0.52 |  |  | $ | 0.52 |  |  | $ | 0.46 |  |  | $ | 0.46 |
Effect of dilutive shares |  |  |  | (0.01 | ) |  |  |  |  | (0.01 | )
Net income per share - Diluted |  |  |  | $ | 0.51 |  |  |  |  |  | $ | 0.45 |
| Six months ended
(in thousands, except per share data) | March 31, 2018 |  | April 1, 2017 As Restated
| Basic |  | Diluted |  | Basic |  | Diluted
NUMERATOR: |  |  |  |  |  |  |  |  |  |  |
Net (loss)/income | $ | (33,215 | ) |  | $ | (33,215 | ) |  | $ | 50,066 |  |  | $ | 50,066 |
DENOMINATOR: |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding - Basic | 70,467 |  |  | 70,467 |  |  | 70,909 |  |  | 70,909 |
Stock options |  |  | — |  |  |  |  |  | 23 |
Time-based restricted stock |  |  | — |  |  |  |  |  | 510 |
Market-based restricted stock |  |  | — |  |  |  |  |  | 597 |
Weighted average shares outstanding - Diluted |  |  |  | 70,467 |  |  |  |  |  | 72,039 |
EPS: |  |  |  |  |  |  |  |  |  |  |
Net (loss)/income per share - Basic | $ | (0.47 | ) |  | $ | (0.47 | ) |  | $ | 0.71 |  |  | $ | 0.71 |
Effect of dilutive shares |  |  |  | — |  |  |  |  |  | (0.02 | )
Net (loss)/income per share - Diluted |  |  |  | $ | (0.47 | ) |  |  |  |  | $ | 0.69 |

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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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