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Sale of Theatre Rigging Manufacturing (Details) - Theatre Rigging Manufacturing [Member] - USD ($) $ in Thousands	12 Months Ended
	May. 02, 2015	Jul. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain from sale of division	$ 1,261
Assets sold		$ 2,817
Accounts payable sold		$ 355

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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-Name Accounting Standards Codification



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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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