Debt (Tables)

12 Months Ended

Dec. 31, 2011

Available and Unused Lines of Credit

Our available and unused lines of credit at December 31, 2011 and 2010 were (in millions):

	2011		2010
Credit Agreement	$	2,500.0	$	2,000.0
Uncommitted lines of credit	758.3		610.4
Available and unused lines of credit	$	3,258.3	$	2,610.4

Supplemental Interest Payments

Supplemental interest payments in 2010 and 2009 were (in millions):

	2010		2009
2031 Notes	$	—	$	27.6
2032 Notes	5.7		7.6
2038 Notes	20.2		—
	$	25.9	$	35.2

Components of Interest Expense

The components of interest expense for the three years ended December 31, 2011 were (in millions):

	2011		2010		2009
Long-term notes payable	$	125.8	$	106.7	$	78.0
Amortization of supplemental interest payments	10.0		10.5		22.7
Commercial paper and Credit Agreement	2.5		1.8		5.7
Fees	7.1		5.7		5.1
Other	12.7		10.0		10.7
	$	158.1	$	134.7	$	122.2

Stated Maturities of Long-Term Notes Payable and Convertible Debt

The stated maturities of our long-term notes and convertible debt at December 31, 2011 are (in millions):

2012	$	0.7
2013	0.3
2014	0.3
2015	—
2016	1,000.0
Thereafter	2,159.4
	$	3,160.7

Long-Term Notes Payable [Member]

Long-Term Debt

Long-term notes payable at December 31, 2011 and 2010 were (in millions):

	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 at rates from 2.8% to 9.0%, due through 2013	1.3			1.5
	2,501.3			2,501.5
Unamortized discount on Senior Notes	(7.6		)	(8.7		)
Deferred gain from termination of interest rate swaps on Senior Notes due 2016	30.5			—
Fair value hedge adjustment on Senior Notes due 2016	—			(26.3		)
	2,524.2			2,466.5
Less current portion	0.7			1.4
Long-term notes payable	$	2,523.5		$	2,465.1

Convertible Debt [Member]

Long-Term Debt

Convertible debt at December 31, 2011 and 2010 was (in millions):

	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