CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Consolidated Balance Sheets [Abstract]
Common stock, par value	$ 1.33	$ 1.33
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	45,112,893	45,162,853
Common stock, shares outstanding	45,112,893	45,162,853