Debt Financing Costs (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Debt Financing Cost [Line Items]
Amortization of deferred financing costs	$ 1,591	$ 2,252
2019 Revolving Credit Facility [Member] | Other Current Assets [Member]
Debt Financing Cost [Line Items]
Debt Issuance Costs, Gross	343
2019 Revolving Credit Facility [Member] | Other Noncurrent Assets [Member]
Debt Financing Cost [Line Items]
Debt Issuance Costs, Gross	$ 1,209
2015 Revolving Credit Facility [Member] | Other Current Assets [Member]
Debt Financing Cost [Line Items]
Debt Issuance Costs, Gross			$ 417
2015 Revolving Credit Facility [Member] | Other Noncurrent Assets [Member]
Debt Financing Cost [Line Items]
Debt Issuance Costs, Gross			$ 104