Condensed Consolidated Statements Of Changes In Stockholders' Equity And Comprehensive Income (Parenthetical)	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Condensed Consolidated Statements Of Changes In Stockholders' Equity And Comprehensive Income [Abstract]
Exercise of stock options	15,400	12,900
Issuance of deferred shares	161,222	91,749
Employee stock purchase plans, shares	2,636
Treasury share purchases	886,503
Other treasury shares	45,143	27,715