CONSOLIDATED BALANCE SHEET (PARENTHETICAL) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Parenthetical Balance Sheet [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 242,088	$ 269,416
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	318,286	308,525
Finite-Lived Intangible Assets, Accumulated Amortization	$ 245,451	$ 236,116
Preferred Stock, No Par Value	$ 0	$ 0
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	$ 1
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Issued	133,856,200	133,503,156
Treasury Stock, Shares	28,931,346	28,851,671