Goodwill and Intangible Assets (Components of Gross and Net Intangible Asset Balances) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 234,966	$ 181,566
Accumulated Amortization	148,226	130,454
Net Carrying Amount	$ 86,740	$ 51,112
Developed technology
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years 9 months 18 days	2 years 4 months 24 days
Gross Carrying Amount	$ 157,000	$ 117,000
Accumulated Amortization	90,673	77,449
Net Carrying Amount	$ 66,327	$ 39,551
Customer relationships
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	4 years 10 months 24 days	2 years
Gross Carrying Amount	$ 63,039	$ 51,639
Accumulated Amortization	46,965	44,410
Net Carrying Amount	$ 16,074	$ 7,229
Backlogs
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	0 years
Gross Carrying Amount	$ 400
Accumulated Amortization	$ 400
Trade names
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	1 year 7 months 6 days	2 years 4 months 24 days
Gross Carrying Amount	$ 10,700	$ 9,100
Accumulated Amortization	7,034	5,647
Net Carrying Amount	$ 3,666	$ 3,453
License agreements
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	5 years 6 months	5 years 4 months 24 days
Gross Carrying Amount	$ 2,445	$ 2,445
Accumulated Amortization	1,796	1,661
Net Carrying Amount	$ 649	$ 784
Other intangibles
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	1 month 6 days	7 months 6 days
Gross Carrying Amount	$ 1,382	$ 1,382
Accumulated Amortization	1,358	1,287
Net Carrying Amount	$ 24	$ 95