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Note 12 Earnings Per Share (Tables) | 6 Months Ended
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Mar. 30, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| Three Months Ended |  | Six Months Ended
| March 30, 2019 |  | March 31, 2018 |  | March 30, 2019 |  | March 31, 2018
| (In thousands, except per share data)
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | 40,885 |  |  | $ | 24,632 |  |  | $ | 78,837 |  |  | $ | (130,278 | )
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding | 68,821 |  |  | 70,441 |  |  | 68,556 |  |  | 71,096 |
Effect of dilutive stock options and restricted stock units | 2,625 |  |  | 3,141 |  |  | 2,606 |  |  | — |
Denominator for diluted earnings per share | 71,446 |  |  | 73,582 |  |  | 71,162 |  |  | 71,096 |
Net income (loss) per share: |  |  |  |  |  |  |
Basic | $ | 0.59 |  |  | $ | 0.35 |  |  | $ | 1.15 |  |  | $ | (1.83 | )
Diluted | $ | 0.57 |  |  | $ | 0.33 |  |  | $ | 1.11 |  |  | $ | (1.83 | )

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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://fasb.org/us-gaap/role/ref/legacyRef -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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