Contract Balances - Contract Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Contract assets – current:
Unbilled receivables	$ 79,282	$ 61,888
Costs to obtain – short-term	3,692	3,492
Contract assets – noncurrent:
Unbilled receivables	11,248	9,629
Costs to obtain – long-term	8,658	7,708
Contract liabilities – current:
Deferred revenue and other contract liabilities – short-term	(68,773)	(57,082)
Contract liabilities – noncurrent:
Deferred revenue and other contract liabilities – long-term	(6,585)	(6,507)
Net contract assets (liabilities)	$ 27,522	$ 19,128