Goodwill and Intangible Assets, Net - Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 193,922	$ 192,822
Accumulated Amortization	(142,419)	(133,645)
Net Carrying Amount	51,503	59,177
Customer/publisher/advertiser relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	90,830	90,830
Accumulated Amortization	(50,269)	(43,485)
Net Carrying Amount	40,561	47,345
Content [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	43,056	43,056
Accumulated Amortization	(43,056)	(42,790)
Net Carrying Amount	0	266
Website/trade/domain names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,102	25,102
Accumulated Amortization	(18,713)	(18,303)
Net Carrying Amount	6,389	6,799
Acquired technology and others [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	34,934	33,834
Accumulated Amortization	(30,381)	(29,067)
Net Carrying Amount	$ 4,553	$ 4,767