NOTE 6 - STOCK REPURCHASE PROGRAM (Details) - Stock Repurchase Program [Member] - USD ($) $ in Thousands	3 Months Ended	11 Months Ended
Mar. 26, 2016	Mar. 26, 2016	Apr. 21, 2015
NOTE 6 - STOCK REPURCHASE PROGRAM (Details) [Line Items]
Stock Repurchase Program, Authorized Amount			$ 2,000
Stock Repurchased During Period and Held in Treasury, Shares (in Shares)	264,611	318,355
Stock Repurchased During Period and Held in Treasury, Value	$ 251	$ 305

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is held in treasury.

No definition available.

Name:	eng_StockRepurchasedDuringPeriodAndHeldInTreasuryValue
Namespace Prefix:	eng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration