Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended	9 Months Ended
Apr. 30, 2016	May 02, 2015	Apr. 30, 2016	May 02, 2015
Condensed Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income including noncontrolling interests	$ 134,721	$ 1,903,124	$ 109,611	$ 3,111,326
Foreign currency translation adjustments	486,761	(321,492)	(460,872)	(1,511,127)
Unrealized investment gains, net	663	(14,033)	13,867	(982)
Comprehensive income (loss)	622,145	1,567,599	(337,394)	1,599,217
Comprehensive loss (income) attributable to noncontrolling interests	(94,145)	(72,682)	327,458	(265,143)
Comprehensive income (loss) attributable to Ecology and Environment, Inc.	$ 528,000	$ 1,494,917	$ (9,936)	$ 1,334,074

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51831270

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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