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Basis Of Presentation Basis of Presentation (Impact of Change in Accounting Principle on Consolidated Condensed Statement of Earnings) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |
Other | $ 4,415 | $ 7,168 | $ 14,294 | $ 14,645
Earnings (loss) before income taxes | (23,354) | 60,018 | 105,081 | 170,417
Income taxes (benefit) | (10,764) | 13,853 | 17,899 | 40,424
Net earnings (loss) | $ (12,590) | $ 46,165 | $ 87,182 | $ 129,993
Earnings (loss) per share - Basic | $ (0.39) | $ 1.32 | $ 2.60 | $ 3.73
Earnings (loss) per share - Diluted | $ (0.39) | $ 1.31 | $ 2.59 | $ 3.69
Retirement liability adjustment | $ 5,922 | $ 5,564 | $ 16,401 | $ 17,660
Other comprehensive income (loss), net of tax | 8,511 | 5,127 | 17,344 | 9,527
Comprehensive Income (Loss) | (4,079) | 51,292 | 104,526 | 139,520
Previously Reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |
Other |  | 5,466 |  | 9,540
Earnings (loss) before income taxes |  | 61,720 |  | 175,522
Income taxes (benefit) |  | 14,255 |  | 41,629
Net earnings (loss) |  | $ 47,465 |  | $ 133,893
Earnings (loss) per share - Basic |  | $ 1.36 |  | $ 3.84
Earnings (loss) per share - Diluted |  | $ 1.35 |  | $ 3.80
Retirement liability adjustment |  | $ 4,264 |  | $ 13,760
Other comprehensive income (loss), net of tax |  | 3,827 |  | 5,627
Comprehensive Income (Loss) |  | 51,292 |  | 139,520
Restatement Adjustment |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |
Other | 2,876 | 1,702 | 8,627 | 5,105
Earnings (loss) before income taxes | (2,876) | (1,702) | (8,627) | (5,105)
Income taxes (benefit) | (679) | (402) | (2,036) | (1,205)
Net earnings (loss) | $ (2,197) | $ (1,300) | $ (6,591) | $ (3,900)
Earnings (loss) per share - Basic | $ (0.07) | $ (0.04) | $ (0.20) | $ (0.11)
Earnings (loss) per share - Diluted | $ (0.07) | $ (0.04) | $ (0.20) | $ (0.11)
Retirement liability adjustment | $ 2,197 | $ 1,300 | $ 6,591 | $ 3,900
Other comprehensive income (loss), net of tax | 2,197 | 1,300 | 6,591 | 3,900
Comprehensive Income (Loss) | 0 | $ 0 | 0 | $ 0
Previous Accounting Guidance |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |
Other | 7,291 |  | 22,921 |
Earnings (loss) before income taxes | (26,230) |  | 96,454 |
Income taxes (benefit) | (11,443) |  | 15,863 |
Net earnings (loss) | $ (14,787) |  | $ 80,591 |
Earnings (loss) per share - Basic | $ (0.46) |  | $ 2.40 |
Earnings (loss) per share - Diluted | $ (0.46) |  | $ 2.39 |
Retirement liability adjustment | $ 8,119 |  | $ 22,992 |
Other comprehensive income (loss), net of tax | 10,708 |  | 23,935 |
Comprehensive Income (Loss) | $ (4,079) |  | $ 104,526 |

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