Debt (Tables)

6 Months Ended

Jun. 30, 2011

Available and Unused Lines of Credit [Table Text Block]

	2011		2010
Credit facility	$	2,000.0	$	2,000.0
Uncommitted lines of credit		744.7		610.4
Available and unused lines of credit	$	2,744.7	$	2,610.4

Long-Term Notes Payable [Member]

Long-Term Debt [Table Text Block]

	2011			2010
5.90% Senior Notes due April 15, 2016	$	1,000.0		$	1,000.0
6.25% Senior Notes due July 15, 2019		500.0			500.0
4.45% Senior Notes due August 15, 2020		1,000.0			1,000.0
Other notes and loans		2.1			1.5
		2,502.1			2,501.5
Unamortized discount on Senior Notes		(8.1	)		(8.7	)
Fair value hedge adjustment on Senior Notes due 2016		(4.2	)		(26.3	)
		2,489.8			2,466.5
Less current portion		1.8			1.4
Long-term notes payable	$	2,488.0		$	2,465.1

Convertible Debt [Member]

Long-Term Debt [Table Text Block]

	2011		2010
Convertible Notes - due February 7, 2031	$	—	$	0.1
Convertible Notes - due July 31, 2032		252.7		252.7
Convertible Notes - due June 15, 2033		0.1		0.1
Convertible Notes - due July 1, 2038		406.6		406.6
		659.4		659.5
Less current portion		—		—
Convertible debt	$	659.4	$	659.5