Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - shares	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Exercise of stock options, shares	22,913	62,137
Issuance of deferred shares, shares	395,780	623,443
Employee Stock Purchase Plan, shares	12,734	13,003
Treasury Stock, Shares, Acquired	0	330,000
Other treasury shares purchases, shares	134,253	202,916