Consolidated Statement of Changes in Net Assets (Liquidation Basis) (Liquidation Basis of Accounting, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 24, 2015	Jan. 25, 2014	Jan. 24, 2015	Jan. 25, 2014
Net assets in liquidation at beginning of period		$ 13,637	$ 9,496	$ 13,637
Decrease (increase) in estimated costs during the Dissolution period	(14)	(184)	6	(184)
Net assets in liquidation, ending balance	9,573	16,607	9,573	16,607
Patents
Increase in estimated net realizable value		2,000		2,000
Other Receivables
Increase in estimated net realizable value		1,107		1,108
Other Assets
Increase in estimated net realizable value	$ 3	$ 47	$ 71	$ 47