Fair Value Measurements (Narratives) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
Level 2 Assets and Liabilities
Assets
Transfers of assets between Level 1 and Level 2	$ 0		$ 0		$ 0
Transfers of liabilities between Level 1 and Level 2	0		0		0
Long-term debt, fair value	375,300,000		375,300,000		180,500,000
Acquisition-related contingent consideration obligations	4,200,000		4,200,000		6,300,000
Level 3 Assets and Liabilities
Assets
Acquisition-related contingent consideration obligations	4,152,000		4,152,000		$ 6,298,000
Transfers of assets between Level 2 and Level 3	0	$ 0	0	$ 0
Transfers of liabilities between Level 2 and Level 3	0	0	0	0
Intangible asset and goodwill impairment	$ 0	$ 0	$ 0	$ 0