ACQUISITION - Fair Value of the Purchase Price Consideration (Details) - USD ($) $ in Thousands		6 Months Ended	9 Months Ended	12 Months Ended
	Nov. 09, 2017	Dec. 31, 2017	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Cash consideration, net of cash acquired		$ 65,181	$ 65,181	$ 0	$ 65,181	$ 0
USAT shares issued as stock consideration (As Restated)				$ 0	23,279	$ 0
Cantaloupe
Business Acquisition [Line Items]
Cash consideration, net of cash acquired	$ 65,181
USAT shares issued as stock consideration (As Restated)	23,279
Post-closing adjustment for working capital	(253)				$ (300)
Total consideration (As Restated)	$ 88,207