Operations by Segments and Geographic Areas - Schedule of Revenue Based on Point of Sale (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from unaffiliated customers	$ 108,176	$ 102,437
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from unaffiliated customers	69,020	62,881
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from unaffiliated customers	24,967	24,367
Switzerland
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from unaffiliated customers	9,760	9,993
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from unaffiliated customers	$ 4,429	$ 5,196