INVESTMENT IN UNCONSOLIDATED AFFILIATES (Details) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended
	Jan. 31, 2017	Aug. 31, 2016	Feb. 28, 2011	Jun. 30, 2017	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2017
Schedule of Equity Method Investments [Line Items]
Payment to acquire an unconsolidated affiliate accounted for by cost method				$ 0		$ 2,999
Cost method investment						3,000
Investment in a Privately-held Company [Member]
Schedule of Equity Method Investments [Line Items]
Upfront payment	$ 300
Equity method investment net gain (loss)				(34)		0
Equity method investment, carrying value				2,800			$ 2,900
Investment in a Privately-held Company [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Amount payable upon achievement of specified milestone	$ 1,500
SMB [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, carrying value				0			$ 0
Equity ownership interest purchased			15.00%
Payment to acquire an unconsolidated affiliate accounted for by cost method			$ 2,800
Equity ownership interest sold		15.00%
Purchase price for equity method investment		$ 9,700
Holdback period in which payment expected to be released		18 months
Proceeds from sale of equity method investment		$ 8,500
Gain on sale of equity method investment					$ 6,100
Gain on sale of equity method investment after tax					$ 3,800
Allocated portion of unconsolidated affiliate's net income (loss)				$ 0		$ (34)