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BUSINESS SEGMENT, CUSTOMER AND GEOGRAPHIC INFORMATION (Revenue By Customer Sector) (Details 1) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	[1]	Mar. 31, 2014	[1]	Dec. 31, 2013	[1]	Sep. 30, 2013	[1]	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Revenue, Major Customer [Line Items]
Revenue from external customers	$ 865,506	$ 817,797	$ 815,423	$ 814,726	$ 905,718		$ 900,393		$ 894,186		$ 864,265		$ 3,313,452	$ 3,564,562	$ 3,681,990
Sales
Revenue, Major Customer [Line Items]
Revenue from external customers													$ 3,313,452	$ 3,564,562	$ 3,681,990
Revenue percentage													100.00%	100.00%	100.00%
Department of Defense | Sales
Revenue, Major Customer [Line Items]
Revenue from external customers													$ 2,217,031	$ 2,578,024	$ 2,735,102
Revenue percentage													66.90%	72.30%	74.30%
Federal civilian agencies | Sales
Revenue, Major Customer [Line Items]
Revenue from external customers													$ 888,191	$ 771,662	$ 741,053
Revenue percentage													26.80%	21.70%	20.10%
Commercial and other | Sales
Revenue, Major Customer [Line Items]
Revenue from external customers													$ 202,858	$ 199,521	$ 190,142
Revenue percentage													6.10%	5.60%	5.20%
State and local governments | Sales
Revenue, Major Customer [Line Items]
Revenue from external customers													$ 5,372	$ 15,355	$ 15,693
Revenue percentage													0.20%	0.40%	0.40%
[1] Six3 Systems, Inc. was acquired on November 15, 2013.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SX 210.5-03.1)



-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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