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ACQUISITIONS (Detail Textuals) $ in Thousands	12 Months Ended
	Jun. 30, 2015 USD ($) Associate	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 2,189,816	$ 2,188,569	$ 1,476,965
LTC Engineering Associates, Inc. (LTC)
Business Acquisition [Line Items]
Percentage of outstanding shares acquired	100.00%
Total consideration to acquire businesses	$ 16,000
Number of associates | Associate	50
Goodwill	$ 8,900
Business acquisition, intangible assets	$ 4,800

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