SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)		3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 01, 2019 USD ($) contract	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue recorded from inventory builds		$ 500,000	$ 500,000	$ 2,900,000	$ 1,500,000
Solutions sold that were held in vendor managed inventory		1,900,000		1,900,000		$ 1,900,000
Deferred tax liability		500,000		500,000
Deferred tax assets associated with alternative minimum tax credits		400,000		400,000
Operating lease liability		8,676,000		8,676,000
Operating lease, ROU asset		$ 8,555,000		$ 8,555,000
Number of operating leases | contract	50
Goodwill impairment						$ 0
ASU 2016-02
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Operating lease liability	$ 4,600,000
Operating lease, ROU asset	$ 4,600,000