Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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Amount of net assets (liabilities).

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount of estimated accrued costs to dispose of assets or other items expected to be sold in liquidation.

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Amount of gain (loss) from remeasurement of an asset to reflect the change in value under liquidation basis.

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The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet.

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Liquidation Basis of Accounting - Additional Information (Detail) (Liquidation Basis of Accounting, USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jan. 24, 2015	Jan. 24, 2015	Oct. 10, 2014	Jul. 31, 2014	Jul. 29, 2014	Jan. 25, 2014	Oct. 26, 2013	Jul. 31, 2013
Statutory Accounting Practices [Line Items]
Net assets in liquidation	$ 9,573us-gaap_AssetsNet	$ 9,573us-gaap_AssetsNet	$ 9,584us-gaap_AssetsNet	$ 9,496us-gaap_AssetsNet	$ 9,496us-gaap_AssetsNet	$ 16,607us-gaap_AssetsNet	$ 13,637us-gaap_AssetsNet	$ 13,637us-gaap_AssetsNet
Cash and cash equivalents	11,358	11,358		12,241
Land	2,500us-gaap_Land	2,500us-gaap_Land		2,500us-gaap_Land
Other assets	36us-gaap_OtherAssets	36us-gaap_OtherAssets		47us-gaap_OtherAssets
Accounts payable	31	31
Accrued expenses	47	47		44
Reserve for estimated costs during the Dissolution period	2,457	2,457		3,462
Other liabilities	1,786us-gaap_OtherLiabilities	1,786us-gaap_OtherLiabilities		1,786us-gaap_OtherLiabilities
Miscellaneous Increase in Compensation Costs
Statutory Accounting Practices [Line Items]
Increase (Decrease) in estimated realizable value for other assets	(10)
Miscellaneous Receivable and Changes in Estimates of Other Expenses Associated with Wind Down Activities and Compensation Costs
Statutory Accounting Practices [Line Items]
Increase (Decrease) in estimated realizable value for other assets		$ 70