Consolidated Balance Sheet Stockholders' Equity (USD $)	Sep. 30, 2014	Dec. 31, 2013
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, par value	$ 0.625	$ 0.625
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	65,767,105	64,592,756
Repurchased common stock, shares	7,847,141	7,669,889