Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Exercise of stock options, shares	66,040	19,200
Employee Stock Purchase Plan, shares	3,179	3,744
Issuance of deferred shares, shares	353,118	172,002
Open market purchase of treasury shares, shares		886,503
Other treasury shares purchases, shares	102,376	48,810
Additional Paid-In Capital
Exercise of stock options, shares	66,040	19,200
Employee Stock Purchase Plan, shares	3,179	3,744
Issuance of deferred shares, shares	353,118	172,002
Treasury Stock
Exercise of stock options, shares	66,040	19,200
Employee Stock Purchase Plan, shares	3,179	3,744
Issuance of deferred shares, shares	353,118	172,002
Open market purchase of treasury shares, shares		886,503
Other treasury shares purchases, shares	102,376	48,810