Intangible Assets and Goodwill (Components of Gross and Net Intangible Asset Balances) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2024	Jun. 30, 2024
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 245,492	$ 245,901
Accumulated Amortization	237,271	235,288
Net Carrying Amount	$ 8,221	$ 10,613
Developed Technology
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years 9 months 18 days	3 years
Gross Carrying Amount	$ 168,884	$ 169,247
Accumulated Amortization	163,676	162,708
Net Carrying Amount	$ 5,208	$ 6,539
Customer Relationships
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	1 year 6 months	2 years
Gross Carrying Amount	$ 64,626	$ 64,671
Accumulated Amortization	61,756	60,776
Net Carrying Amount	$ 2,870	$ 3,896
Trade Names
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	0 years	0 years
Gross Carrying Amount	$ 10,700	$ 10,700
Accumulated Amortization	10,700	10,700
Net Carrying Amount	$ 0	$ 0
License Agreements
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years	2 years 4 months 24 days
Gross Carrying Amount	$ 1,282	$ 1,282
Accumulated Amortization	1,139	1,104
Net Carrying Amount	$ 143	$ 178