DEBT - Credit Facility (Narrative) (Details)				12 Months Ended
	Dec. 02, 2016 USD ($)	Oct. 31, 2016 USD ($)	Jun. 04, 2015 USD ($) quarter	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Compliance, Number of Quarters | quarter			4
Amount of credit facility utilized to fund acquisition				$ 0	$ 0	$ 1,007,000
Payments on S2S Global revolving line of credit				0	$ 0	$ 14,715,000
Interest expense incurred				5,200,000
Cash paid for interest expense				$ 4,500,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 750,000,000.0
Additional borrowing capacity			$ 250,000,000.0
Commitment fee, as a percent				0.125%
Maximum leverage ratio			3.00
Minimum interest coverage ratio			3.00
Indebtedness or guarantee threshold			$ 30,000,000.0
Judgment default threshold			$ 30,000,000.0
Amount of credit facility utilized to fund acquisition		$ 50,000,000		$ 425,000,000
Payments on S2S Global revolving line of credit				$ 205,000,000
Revolving Credit Facility | Innovatix LLC And Essensa Ventures, LLC
Line of Credit Facility [Line Items]
Amount of credit facility utilized to fund acquisition	$ 325,000,000
Revolving Credit Facility | Base Rate Loans | Federal Funds Effective Swap Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.50%
Revolving Credit Facility | Base Rate Loans | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate			1.00%
Revolving Credit Facility | Base Rate Loans | Three-Month Eurodollar
Line of Credit Facility [Line Items]
Interest rate				4.375%
Revolving Credit Facility | Eurodollar Rate Loans | Three-Month Eurodollar
Line of Credit Facility [Line Items]
Interest rate				2.424%
Revolving Credit Facility | Minimum
Line of Credit Facility [Line Items]
Commitment fee on unused credit facility, as a percent			0.125%
Revolving Credit Facility | Minimum | Base Rate Loans | Applicable Margin
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.125%
Revolving Credit Facility | Minimum | Eurodollar Rate Loans | Applicable Margin
Line of Credit Facility [Line Items]
Basis spread on variable rate			1.125%
Revolving Credit Facility | Maximum
Line of Credit Facility [Line Items]
Commitment fee on unused credit facility, as a percent			0.25%
Revolving Credit Facility | Maximum | Base Rate Loans | Applicable Margin
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.75%
Revolving Credit Facility | Maximum | Eurodollar Rate Loans | Applicable Margin
Line of Credit Facility [Line Items]
Basis spread on variable rate			1.75%
Letter of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 25,000,000.0
Swing Line Loan
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 75,000,000.0