Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Common Stock, Par or Stated Value Per Share	$ 0.625	$ 0.625
Common Stock, Shares Authorized	100,000,000	100,000,000
Common stock, shares issued	64,592,756	63,565,453
Repurchased common stock, shares	7,669,889	7,583,471