Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2012

Components of Pension Expense

The following information details the components of net pension expense for the Company’s defined benefit plans:

	Three Months Ended March 31
	2012			2011
Service cost	$	17.1		$	11.1
Interest on projected benefit obligation		20.0			19.9
Expected return on assets		(27.4	)		(26.2	)
Amortization of prior service costs		.4			.4
Recognized actuarial loss		10.6			6.4
Net pension expense	$	20.7		$	11.6