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Goodwill and Intangible Assets, Net - Intangible Assets (Detail) - USD ($) $ in Thousands | Mar. 31, 2021 | Jun. 30, 2020
--- | --- | ---
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 193,856 | $ 167,754
Accumulated Amortization | (131,655) | (139,580)
Net Carrying Amount | 62,201 | 28,174
Customer/publisher/advertiser relationships [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 90,960 | 61,324
Accumulated Amortization | (41,297) | (36,213)
Net Carrying Amount | 49,663 | 25,111
Content [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 43,705 | 55,430
Accumulated Amortization | (43,305) | (55,430)
Net Carrying Amount | 400 | 0
Website/trade/domain names [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 25,348 | 23,059
Accumulated Amortization | (18,412) | (20,717)
Net Carrying Amount | 6,936 | 2,342
Acquired technology and others [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 33,843 | 27,941
Accumulated Amortization | (28,641) | (27,220)
Net Carrying Amount | $ 5,202 | $ 721

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