Balance Sheet Parenthetical (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts Receivable, Current	$ 287,909	$ 358,713
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	322,528	299,900
Finite-Lived Intangible Assets, Accumulated Amortization	$ 255,992	$ 246,200
Preferred Stock, No Par Value	$ 0.00	$ 0.00
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Issued	132,474,000	131,756,500
Treasury Stock, Shares	20,925,300	18,132,600