Note 8 - Pension Plans: Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets (Details) (USD $) In Thousands, unless otherwise specified	Jul. 28, 2012	Jul. 30, 2011
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation	$ 67,179	$ 14,202
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation	55,873	14,202
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	$ 37,416	$ 2,770