Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 14, 2019	Apr. 15, 2018	Apr. 14, 2019	Apr. 15, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 25,089	$ 47,605	$ 59,187	$ 59,795
Net change in fair value of derivatives	(4,959)	4,295	(12,126)	14,586
Net loss reclassified to earnings	134	876	613	2,550
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	(4,825)	5,171	(11,513)	17,136
Tax effect	1,244	(1,313)	2,967	(4,352)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	(3,581)	3,858	(8,546)	12,784
Actuarial losses and prior service costs reclassified to earnings	904	1,151	2,109	2,686
Tax effect	(234)	(292)	(545)	(834)
Unrecognized periodic benefit costs	670	859	1,564	1,852
Foreign currency translation adjustments	0	6	0	6
Tax effect	0	(2)	0	(2)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	4	0	4
Derecognition of foreign currency translation adjustments due to sale	0	76	0	76
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	0	80	0	80
Other comprehensive (loss) income, net of taxes	(2,911)	4,797	(6,982)	14,716
Comprehensive income	$ 22,178	$ 52,402	$ 52,205	$ 74,511