Acquisitions (Schedule Of Cash Paid Net Of Cash Received Related To Company Acquisitions) (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Business Acquisition [Line Items]
Total cash paid, net of cash received		$ 6,202	$ 4,651	$ 15,767
DNI [Member]
Business Acquisition [Line Items]
Total cash paid, net of cash received	[1]	$ 6,202
Malta FS [Member]
Business Acquisition [Line Items]
Total cash paid, net of cash received			2,940
Pros Software [Member]
Business Acquisition [Line Items]
Total cash paid, net of cash received			$ 1,711
Transact24 [Member]
Business Acquisition [Line Items]
Total cash paid, net of cash received				1,666
Masterpayment [Member]
Business Acquisition [Line Items]
Total cash paid, net of cash received				$ 14,101

[1] represents the cash paid, net of cash acquired, to acquire a further 6% voting and economic interest, which resulted in the Company obtaining a controlling stake in DNI. As described below, the acquisition of DNI occurred in stages and DNI was accounted for using the equity method until June 30, 2018, being the point at which the Company obtained control over DNI. The total cash paid, net of cash acquired, to obtain a 55% voting and economic interest in DNI was $85.7 million.