Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 100	$ 100
Preferred stock, authorized	10,000,000	10,000,000
Preferred stock, issued	0
Common stock, par value	$ 2	$ 2
Common stock, authorized	200,000,000	200,000,000
Common stock, issued	63,096,000	63,271,000
Commons stock, outstanding	63,096,000	63,271,000