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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Statement of Financial Position [Abstract]    
Accounts receivable trade, allowance for doubtful accounts $ 7,270 $ 6,740
Common shares issued (in shares) 121,492,067 121,404,677
Common shares outstanding (in shares) 121,492,067 121,404,677
Treasury stock (in shares) 629,480 633,647