Balance sheet parenthetical tags (Parentheticals) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for doubtful accounts	$ 201,875,000	$ 202,602,000
PP&E Accumulated Depreciation	332,684,000	263,603,000
Intangible Asset Accumulated Amortization	257,283,000	227,657,000
Preferred stock, par value	$ 0.00	$ 0.00
Preferred stock, 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 value	$ 1.00	$ 1.00
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	138,425,862	134,623,736
Treasury Stock	39,997,930	34,013,923
Treasury Stock	1,514,792,000	1,132,274,000
Dividends Paid	$ 0.82	$ 0.62	$ 0.42
Indefinite-Lived Intangible Assets (Excluding Goodwill)	12,000,000	12,000,000
Notes, Loans and Financing Receivable, Gross, Current	52,000,000	52,000,000
Allowance for Notes, Loans and Financing Receivable, Current	13,000,000
7.75% Senior Subordinated Notes, Due 2020 [Member]
Amortization of Financing Costs	$ 1,000,000	$ 1,000,000	$ 1,000,000