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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Cash $ 8.4 $ 5.8
Common shares, par value per share (in dollars per share) $ 1.00 $ 1.00
Common shares, authorized shares 50,000,000 50,000,000
Common shares, issued shares 5,415,462 5,623,735
Common shares, outstanding shares 5,415,462 5,623,735