ACQUISITION OF CANTALOUPE SYSTEMS, INC. - Fair Value of the Purchase Consideration (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Nov. 09, 2017	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Cash consideration, net of cash acquired			$ 0	$ 65,181
Equity issued in connection with Cantaloupe Acquisition, net of post-working capital adjustment for retired shares			$ 0	$ 23,279
Cantaloupe
Business Acquisition [Line Items]
Cash consideration, net of cash acquired	$ 65,181
Equity issued in connection with Cantaloupe Acquisition, net of post-working capital adjustment for retired shares	23,279
Post-closing adjustment for working capital	(253)	$ (300)
Total consideration (As Restated)	$ 88,207