Debt and Credit Arrangements (Tables)

6 Months Ended

Jun. 30, 2014

Debt and Credit Arrangements [Abstract]

Summary of Carrying Amounts and Fair Values of Long-term Debt

A summary of the carrying amounts and fair values of our long-term debt is listed below.

	Effective Interest Rate	June 30, 2014				December 31, 2013
		Book Value		Fair Value 1		Book Value		Fair Value 1
6.25% Senior Unsecured Notes due 2014	6.29%	$	0.0	$	0.0	$	351.3	$	365.6
2.25% Senior Notes due 2017 (less unamortized discount of $0.5)	2.30%	299.5		304.7		299.4		293.0
4.00% Senior Notes due 2022 (less unamortized discount of $2.4)	4.13%	247.6		256.9		247.4		241.6
3.75% Senior Notes due 2023 (less unamortized discount of $1.3)	4.32%	498.7		501.8		498.6		467.3
4.20% Senior Notes due 2024 (less unamortized discount of $0.9)	4.24%	499.1		514.4		0.0		0.0
Other notes payable and capitalized leases		87.4		89.4		86.7		87.8
Total long-term debt		1,632.3				1,483.4
Less: current portion 2		2.4				353.6
Long-term debt, excluding current portion		$	1,629.9			$	1,129.8

¹  See Note 12 for information on the fair value measurement of our long-term debt.

²  We included our 6.25% Senior Unsecured Notes due 2014 (the "6.25% Notes") in the current portion of long-term debt on our December 31, 2013 Consolidated Balance Sheet because the 6.25% Notes were scheduled to mature on November 15, 2014. We redeemed the 6.25% Notes prior to their scheduled maturity during the second quarter of 2014.