Share Capital, Option Plans And Share-Based Payments (Summary Of Share-Based Compensation Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share-based compensation expense	$ 15,575	$ 18,097	$ 11,308
Stock Options [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share-based compensation expense	5,751	4,567	3,546
Deferred Stock Units (Directors) [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share-based compensation expense	985	415	295
Restricted Stock Awards (legacy Vignette employees) [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share-based compensation expense	9	30	124
Performance Stock Units (Fiscal 2010, 2011 and 2012 LTIPs) [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share-based compensation expense	6,998	12,842	7,343
Issued under LTIP [Member] | Restricted Stock Units [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share-based compensation expense	1,283	0	0
Other [Member] | Restricted Stock Units [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share-based compensation expense	$ 549	$ 243	$ 0