Intangible Assets Including Goodwill - Carrying Value of Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 42,448		$ 42,448		$ 42,594
Accumulated Amortization	(21,352)		(21,352)		(19,780)
Net Carrying Amount	21,096		21,096		22,814
Total intangible assets, net carrying amount	21,096		21,096		22,814
Amortization expense	800	$ 1,400	1,700	$ 3,000
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,579		2,579		2,579
Accumulated Amortization	(1,691)		(1,691)		(1,603)
Net Carrying Amount	888		$ 888		976
Intellectual Property [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years	9 years
Intellectual Property [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years	15 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	38,416		$ 38,416		38,562
Accumulated Amortization	(18,235)		(18,235)		(16,763)
Net Carrying Amount	20,181		$ 20,181		21,799
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			6 years	6 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years	15 years
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,453		$ 1,453		1,453
Finite-Lived Intangible Asset, Useful Life			4 years
Accumulated Amortization	(1,426)		$ (1,426)		(1,414)
Net Carrying Amount	$ 27		$ 27		$ 39
Noncompete Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life				4 years