Consolidated Balance Sheets Balance Sheet (Parentheticals) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Preferred Stock, Par or Stated Value Per Share	$ 0.1	$ 0.1
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 0.2	$ 0.2
Common Stock, Shares Authorized	500,000,000	500,000,000
Common Stock, Shares, Issued	135,058,372	136,017,732
Common Stock, Shares, Outstanding	135,058,372	136,017,732
Treasury Stock, Shares	100,059,546	99,100,186