Cash Flows from Operating Activities and Other Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 4,083	$ 5,951
Adjustments to reconcile net income loss to cash flows from operating activities:
Gain on sales and disposals of property, plant and equipment	(40)	(103)
Gain on sales of lease fleet	(2,899)	(2,717)
Unrealized foreign exchange loss	3	886
Unrealized gain on forward exchange contracts	(267)	(331)
Change in valuation of bifurcated derivatives in Convertible Notes	683	(992)
Depreciation and amortization	9,165	9,512
Amortization of deferred financing costs	477	464
Share-based compensation expense	524	683
Deferred income taxes	816	1,416
Changes in operating assets and liabilities (excluding assets and liabilities from acquisitions):
Trade and other receivables, net	2,513	1,954
Inventories	1,134	(4,532)
Prepaid expenses and other	(5,045)	(2,615)
Trade payables, accrued liabilities and unearned revenues	(604)	4,169
Income taxes	189	(154)
Net cash provided by operating activities (Note 10)	$ 10,732	$ 13,591