Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - shares	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Exercise of stock options, shares	0	0
Issuance of deferred shares, shares	478,703	494,274
Employee Stock Purchase Plan, shares	8,730	4,053
Treasury Stock, Shares, Acquired	0	0
Other treasury shares purchases, shares	168,765	174,084