Long-Term Debt and Financing (Tables)

3 Months Ended

Mar. 31, 2012

Debt Instruments [Abstract]

Long-term Debt [Table Text Block]

The following table summarizes the Company's long-term debt (in millions, except percentages):

	As of
	March 31, 2012
	Amount			Effective Interest Rates
Senior notes:
3.10% fixed-rate notes, due 2016	$	300.0		3.12	%
4.60% fixed-rate notes, due 2021	300.0			4.63	%
5.95% fixed-rate notes, due 2041	400.0			6.01	%
Total senior notes	1,000.0
Unaccreted discount	(0.9		)
Total	$	999.1