Income Taxes (Components Of Provision For Income Tax) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Current income taxes:
Domestic	$ 747	$ 6,147	$ 5,693
Foreign	34,739	84,816	25,017
Current income tax expense (benefit)	35,486	90,963	30,710
Deferred income taxes (recoveries):
Domestic	3,126	6,470	1,351
Foreign	(8,922)	(85,262)	(19,130)
Deferred income tax expence (recoveries)	(5,796)	(78,792)	(17,779)
Provision for income taxes	$ 29,690	$ 12,171	$ 12,931