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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - shares
Sep. 30, 2016
Jun. 30, 2016
Statement of Financial Position [Abstract]    
Common stock authorized (in shares) 100,000,000 100,000,000
Common stock issued (in shares) 55,266,523 55,254,569
Common stock outstanding (in shares) 46,619,990 46,600,125
Common stock in treasury (in shares) 8,646,533 8,654,444