Long-Term Debt and Financing (Tables)

3 Months Ended

Mar. 31, 2014

Debt Instruments [Abstract]

Long-term debt

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

	As of March 31, 2014
	Amount			Effective Interest Rates
Senior notes:
3.10% fixed-rate notes, due 2016 ("2016 Notes")	$	300.0		3.25	%
4.60% fixed-rate notes, due 2021 ("2021 Notes")	300.0			4.69	%
4.50% fixed-rate notes, due 2024 ("2024 Notes")	350.0			4.63	%
5.95% fixed-rate notes, due 2041 ("2041 Notes")	400.0			6.03	%
Total senior notes	1,350.0
Unaccreted discount	(1.1		)
Total	$	1,348.9