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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 27, 2020 | Sep. 29, 2019 | Sep. 30, 2018
Statement of Comprehensive Income [Abstract] |  |  |
Net earnings | $ 89,764 | $ 94,437 | $ 121,371
Net change in fair value of derivatives | 0 | (23,625) | 18,769
Loss reclassified from accumulated OCI into net earnings | 0 | 24,328 | 3,455
Cash flow hedges | 0 | 703 | 22,224
Tax effect | 0 | (3,165) | (5,725)
Cash flow hedges, net of tax | 0 | (2,462) | 16,499
Actuarial gains (losses) arising during the period | (4,875) | (62,377) | 31,478
Actuarial losses and prior service cost reclassified to earnings | 44,616 | 3,917 | 4,988
Unrecognized periodic benefit costs, before tax | 39,741 | (58,460) | 36,466
Tax effect | (10,340) | 15,176 | (9,544)
Unrecognized periodic benefit costs, net of tax | 29,401 | (43,284) | 26,922
Foreign currency translation adjustments | 0 | 0 | 6
Tax effect | 0 | 0 | (2)
Derecognition of foreign currency translation adjustments due to sale | 0 | 0 | 76
Other comprehensive income (loss), foreign currency transaction and translation gain (loss) arising during period, net of tax | 0 | 0 | 80
Other comprehensive income (loss), net of taxes | 29,401 | (45,746) | 43,501
Comprehensive income | $ 119,165 | $ 48,691 | $ 164,872

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