Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 15, 2018	Apr. 16, 2017	Apr. 15, 2018	Apr. 16, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 47,605	$ 33,094	$ 59,795	$ 69,023
Net change in fair value of derivatives	4,295	(3,981)	14,586	19,105
Net loss reclassified to earnings	876	1,219	2,550	3,285
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	5,171	(2,762)	17,136	22,390
Tax effect	(1,313)	1,069	(4,352)	(8,663)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	3,858	(1,693)	12,784	13,727
Actuarial losses and prior service costs reclassified to earnings	1,151	1,483	2,686	3,461
Tax effect	(292)	(574)	(834)	(1,339)
Unrecognized periodic benefit costs	859	909	1,852	2,122
Foreign currency translation adjustments	6	0	6	0
Tax effect	2	0	2	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	4	0	4	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	76	0	76	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	80	0	80	0
Other comprehensive income (loss), net of tax	4,797	(784)	14,716	15,849
Comprehensive income	$ 52,402	$ 32,310	$ 74,511	$ 84,872