Acquisitions and Other Investments - First Capital Cashflow Ltd - Additional Information (Detail) $ in Thousands, £ in Millions			9 Months Ended
	Oct. 04, 2017 USD ($) shares	Oct. 04, 2017 GBP (£) shares	Mar. 31, 2018 USD ($)	Jun. 30, 2017 USD ($)
Business Acquisition [Line Items]
Cash and cash equivalents, held for customers			$ 2,907
Goodwill			205,362	$ 194,700
First Capital Cashflow Ltd. [Member]
Business Acquisition [Line Items]
Payments to acquire business	$ 13,900	£ 10.5
Shares issued | shares	42,080	42,080
Stock vesting period	5 years	5 years
Goodwill			4,800
Identifiable intangible assets			$ 10,500
Estimated useful life of intangible assets acquired			11 years