Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	4 Months Ended
	Jan. 22, 2017	Jan. 17, 2016
Net earnings	$ 35,929	$ 33,221
Net change in fair value of derivatives	23,086	(11,437)
Net loss reclassified to earnings	2,066	1,444
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	25,152	(9,993)
Tax effect	(9,731)	3,868
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	15,421	(6,125)
Actuarial losses and prior service costs reclassified to earnings	1,978	1,398
Tax effect	(766)	(541)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	1,212	857
Foreign currency translation adjustments	0	(52)
Tax effect	0	20
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	(32)
Other comprehensive income (loss), net of tax	16,633	(5,300)
Comprehensive income	52,562	27,921
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Net change in fair value of derivatives	23,086	(11,437)
Interest Expense [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Net loss reclassified to earnings	$ 2,066	$ 1,444