CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Mar. 31, 2015
Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS    
Preferred stock, par value (in dollars per share) $ 1.00 $ 1.00
Preferred stock, Authorized shares Series A Junior Participating Preferred 10,000 10,000
Preferred stock, outstanding shares Series A Junior Participating Preferred 0 0
Common stock, par value (in dollars per share) $ 1.00 $ 1.00
Common stock, Authorized shares 199,990,000 199,990,000
Common stock, Issued shares 46,788,655 46,296,045