Operations by Segments and Geographic Areas - Schedule of Segment Reporting Information (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Segment revenue	$ 101,136	$ 86,099	$ 287,627	$ 255,911
Cloud Solutions [Member]
Segment Reporting Information [Line Items]
Segment revenue	46,486	39,248	133,448	112,837
Legal Spend Management Solutions [Member] | Cloud Solutions [Member]
Segment Reporting Information [Line Items]
Segment revenue	16,100	14,900	47,600	42,600
Settlement Network Solutions [Member] | Cloud Solutions [Member]
Segment Reporting Information [Line Items]
Segment revenue	$ 30,400	$ 24,300	$ 85,800	$ 70,200