v3.3.1.900
CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2015
Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS    
Common shares, no par value (in dollars per share) $ 0 $ 0
Common shares, issued shares (in shares) 122,153,082 121,323,614
Common shares, outstanding shares (in shares) 122,153,082 121,323,614