Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Oct. 27, 2018	Jul. 31, 2018
Current assets:
Cash and cash equivalents	$ 12,628	$ 13,496
Investment securities available for sale	1,505	1,497
Contract receivables, net	26,741	25,615
Income tax receivable	1,146	1,230
Other current assets	2,561	1,752
Total current assets	44,581	43,590
Property, buildings and equipment, net of accumulated depreciation of $16,999 and $16,799, respectively	3,720	3,870
Deferred income taxes	763	789
Equity method investment	2,118	2,058
Other assets	2,229	2,522
Total assets	53,411	52,829
Current liabilities:
Accounts payable	6,774	5,635
Accrued payroll costs	5,445	6,066
Current portion of long-term debt and capital lease obligations	49	54
Customer deposits	3,417	3,191
Other accrued liabilities	1,421	1,382
Total current liabilities	17,106	16,328
Long-term debt and capital lease obligations	44	54
Commitments and contingencies (Note 13)
Shareholders' equity:
Preferred stock, par value $.01 per share (2,000,000 shares authorized; no shares issued)	0	0
Capital in excess of par value	17,595	17,558
Retained earnings	20,848	20,973
Accumulated other comprehensive loss	(1,947)	(1,885)
Treasury stock, at cost (Class A common: 13,789 and 15,789 shares, respectively; Class B common: 64,801 shares at both dates)	(884)	(907)
Total Ecology and Environment, Inc. shareholders' equity	35,656	35,783
Noncontrolling interests	605	664
Total shareholders' equity	36,261	36,447
Total liabilities and shareholders' equity	53,411	52,829
Class A [Member]
Shareholders' equity:
Common stock	31	30
Class B [Member]
Shareholders' equity:
Common stock	$ 13	$ 14