Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 45.4	$ 43.0
Common Stock, Par or Stated Value Per Share	$ 10	$ 10
Common Stock, Shares Authorized	65,000,000	65,000,000
Common Stock, Shares, Outstanding	33,289,327	33,289,327