Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	4 Months Ended
Jan. 20, 2019	Jan. 21, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 34,098	$ 12,190
Net change in fair value of derivatives	(7,167)	10,291
Net loss reclassified to earnings	479	1,674
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	(6,688)	11,965
Tax effect	1,723	(3,039)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	(4,965)	8,926
Actuarial losses and prior service costs reclassified to earnings	1,205	1,535
Tax effect	(311)	(542)
Unrecognized periodic benefit costs	894	993
Other comprehensive (loss) income, net of taxes	(4,071)	9,919
Comprehensive income	$ 30,027	$ 22,109

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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