Contract Balances - Contract Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019
Contract assets – current:
Unbilled receivables	$ 86,692	$ 90,073
Costs to obtain – short-term	3,138	2,685
Contract assets – noncurrent:
Unbilled receivables	9,702	7,381
Costs to obtain – long-term	7,164	5,353
Contract liabilities – current:
Deferred revenue and other contract liabilities – short-term	(65,219)	(55,667)
Contract liabilities – noncurrent:
Deferred revenue and other contract liabilities – long-term	(6,916)	(7,445)
Net contract assets (liabilities)	$ 34,561	$ 42,380