Financial Instruments and Risk Management (Tables)

12 Months Ended

Dec. 31, 2011

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Schedule of Fair Value of All Derivative Contracts

Derivatives are recognized on the balance sheet at their fair values. The following table presents the fair value of derivative instruments outstanding at December 31, 2011:

	Asset			Liability
	Balance Sheet Classification	Fair Value		Balance Sheet Classification	Fair Value
Derivatives designated as hedges:
Interest-rate swap agreements	Other assets	$	147.6	Other liabilities	$	—
Foreign exchange forward contracts	Prepaid expenses and other	1.2		Accounts payable	—
Total derivatives designated as hedges		$	148.8		$	—
Derivatives not designated as hedges:
Interest-rate swap agreements	Other assets	$	6.0	Other liabilities	$	6.0
Foreign exchange forward contracts	Prepaid expenses and other	4.4		Accounts payable	10.5
Total derivatives not designated as hedges		$	10.4		$	16.5
Total derivatives		$	159.2		$	16.5

The following table presents the fair value of derivative instruments outstanding at December 31, 2010:

	Asset			Liability
	Balance  Sheet Classification	Fair Value		Balance Sheet Classification	Fair Value
Derivatives designated as hedges:
Interest-rate swap agreements	Other assets	$	94.4	Other liabilities	$	—
Derivatives not designated as hedges:
Interest-rate swap agreements	Other assets	$	9.5	Other liabilities	$	9.5
Foreign exchange forward contracts	Prepaid expenses and other	11.1		Accounts payable	4.3
Total derivatives not designated as hedges		$	20.6		$	13.8
Total derivatives		$	115.0		$	13.8

Impact of Cash Flow Hedges on Accumulated Other Comprehensive Income

For the years ended December 31, 2011 and 2010, treasury lock agreements impacted AOCI as follows:

	2011			2010
Net unamortized losses at beginning of year, net of taxes of $7.9 and $10.1	$	(14.6	)	$	(18.8	)
Reclassification of net losses to earnings, net of taxes of $2.1 and $2.2	3.9			4.2
Net unamortized losses at end of year, net of taxes of $5.8 and $7.9	$	(10.7	)	$	(14.6	)