Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2012

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Fair Value of Derivative Instruments Outstanding

Derivatives are recognized on the balance sheet at their fair values. The following table presents the fair value of derivative instruments outstanding at March 31, 2012:

	Asset			Liability
	Balance Sheet Classification	Fair Value		Balance Sheet Classification	Fair Value
Derivatives designated as hedges:
Interest-rate swap agreements	Other assets	$	97.0	Other liabilities	$	—
Foreign exchange forward contracts	Prepaid expenses and other	—		Accounts payable	—
Total derivatives designated as hedges		$	97.0		$	—
Derivatives not designated as hedges:
Interest-rate swap agreements	Other assets	$	6.2	Other liabilities	$	6.2
Foreign exchange forward contracts	Prepaid expenses and other	2.1		Accounts payable	6.3
Total derivatives not designated as hedges		$	8.3		$	12.5
Total derivatives		$	105.3		$	12.5

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