ACQUISITIONS (Detail Textuals 3) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended													12 Months Ended
	Nov. 15, 2013	Jun. 30, 2016		Mar. 31, 2016	[2]	Dec. 31, 2015		Sep. 30, 2015		Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Mar. 31, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Business Acquisition [Line Items]
Proceeds from borrowings under bank credit facilities															$ 1,058,500	$ 438,969	$ 1,577,000
Net income		$ 43,599	[1]	$ 34,116	[1]	$ 30,452	[1]	$ 34,632	[1]	$ 41,384	$ 29,039	$ 24,642	$ 31,130		142,799	126,195	135,316
Goodwill		2,585,343								2,189,816					2,585,343	2,189,816	2,188,569
Revenue		$ 1,113,900		$ 977,274		$ 830,437		$ 822,442		$ 865,506	$ 817,797	$ 815,423	$ 814,726		3,744,053	3,313,452	3,564,562
Amortization of intangible assets															38,000	39,500	38,600
Loss on extinguishment on debt																$ (272)	(4,116)
Term Loan
Business Acquisition [Line Items]
Proceeds from term loan borrowings															300,000
Revolving Credit Facility
Business Acquisition [Line Items]
Proceeds from borrowings under bank credit facilities															$ 250,000
Six3 Systems Holdings II Inc
Business Acquisition [Line Items]
Percentage of outstanding shares acquired	100.00%
Net income																	8,900
Initial purchase consideration	$ 820,000
Estimated cash and net working capital adjustment	25,800
Escrow deposit related to net cash and working capital adjustments	5,000
Escrow deposit related to indemnified obligations	35,000
Escrow deposit distributed to seller														$ 5,000
Revenue																	268,400
Acquisition-related expenses																	11,700
Loss on extinguishment on debt																	4,100
Six3 Systems Holdings II Inc | Term Loan
Business Acquisition [Line Items]
Proceeds from term loan borrowings	700,000
Six3 Systems Holdings II Inc | Revolving Credit Facility
Business Acquisition [Line Items]
Proceeds from borrowings under bank credit facilities	$ 100,000
Six3 Systems Holdings II Inc | Retention Agreements With Acquired Entity Executive
Business Acquisition [Line Items]
Retention bonuses																	4,200
Six3 Systems Holdings II Inc | Customer Contracts And Customer Relationships
Business Acquisition [Line Items]
Amortization of intangible assets																	$ 12,900

[1] Quarterly FY2016 balances have been adjusted to reflect the adoption of ASU 2016-09 as of the beginning of the fiscal year. See Note 3 for additional information.

[2] Acquisition of NSS on February 1, 2016.