Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	4 Months Ended
Jan. 17, 2021	Jan. 19, 2020
Statement of Comprehensive Income [Abstract]
Net earnings	$ 50,859	$ 7,897
Actuarial gains arising during the period	0	28,583
Actuarial losses and prior service costs reclassified to earnings	1,517	40,310
Unrecognized periodic benefit costs	1,517	68,893
Tax effect	(394)	(17,882)
Unrecognized periodic benefit costs	1,123	51,011
Other comprehensive income, net of taxes	1,123	51,011
Comprehensive income	$ 51,982	$ 58,908

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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