Note 5 - Earnings Per Common Share (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Earnings Per Share [Abstract]
Common Stock, Shares Authorized	500,000,000		500,000,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.25		$ 0.25
Weighted Average Number of Shares Outstanding, Basic and Diluted	343,772,939
Treasury Stock, Shares	932,811		921,721
Common Stock, Shares, Outstanding	342,840,128		342,663,381
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	612,745	537,005