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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Statement of Financial Position [Abstract]    
Accounts receivable trade, allowance for doubtful accounts $ 6,319 $ 6,740
Common shares issued (in shares) 264,059,567 242,809,354
Common shares outstanding (in shares) 264,059,567 242,809,354
Treasury stock (in shares) 1,101,612 1,267,294