Retirement Plans

6 Months Ended

Jun. 30, 2011

Compensation and Retirement Disclosure [Abstract]

Retirement Plans

(9) Retirement Plans

The components of the net periodic benefit cost for our plans were as follows:

	Defined Benefit Pension Plans
	3 Months Ended						6 Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Service cost	$	2.7		$	2.1		$	5.3		$	4.4
Interest cost		3.9			3.5			7.8			7.2
Expected return on assets		(3.9	)		(3.3	)		(7.7	)		(6.7	)
Other		0.1			(0.1	)		0.2			(0.3	)
Total benefit cost	$	2.8		$	2.2		$	5.6		$	4.6

	Retiree Health Care Plan
	3 Months Ended					6 Months Ended
	June 30,					June 30,
	2011		2010			2011			2010
Service cost	$	-	$	0.1			$	0.1	$	0.1
Interest cost		0.3		0.4				0.6		0.7
Other		-		(0.1	)			-		(0.1	)
Total benefit cost	$	0.3	$	0.4			$	0.7	$	0.7

During the three and six months ended June 30, 2011, contributions made to our pension plans were $4.7 and $9.7, respectively, and contributions made to our retiree health care plan were $0.4 and $0.9, respectively. During 2011, we expect to make total contributions of $20.0 to our pension plans and to fund our retiree health care payments as incurred.