Balance Sheet Information - Intangible Assets And Accrued Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021
Amortizable intangible assets
Intangible assets, gross	$ 52,869		$ 27,369
Accumulated amortization	(15,694)		(14,342)
Intangible assets, net	37,175		13,027
Amortization expense for acquired intangible assets	1,352	$ 844
Future amortization expense for acquired intangible assets
Remainder of fiscal 2022	5,981
Fiscal 2023	7,808
Fiscal 2024	6,803
Fiscal 2025	5,748
Fiscal 2026	4,129
Thereafter	6,706
Intangible assets, net	37,175		13,027
Components of accrued expenses
Accrued payroll and personnel costs	46,220		73,969
Operating lease liabilities	7,729		7,549
Deferred revenue	10,167		9,442
Other	16,901		12,149
Total accrued expenses	81,017		103,109
Proprietary technology
Amortizable intangible assets
Intangible assets, gross	$ 27,329		6,129
Weighted average useful life (years)	6 years 7 months 6 days
Client relationships
Amortizable intangible assets
Intangible assets, gross	$ 22,300		19,200
Weighted average useful life (years)	7 years 9 months 18 days
Non-solicitation agreements
Amortizable intangible assets
Intangible assets, gross	$ 1,600		1,600
Weighted average useful life (years)	3 years 1 month 6 days
Trade names
Amortizable intangible assets
Intangible assets, gross	$ 1,640		$ 440
Weighted average useful life (years)	5 years