Employee Benefit Plans (Tables)

3 Months Ended

6 Months Ended

Jun. 30, 2011

Jun. 30, 2011

Employee Benefit Plans

Net Pension And Postretirement Cost

	Three Months Ended June  30,
	2011			2010
Pension benefits
Service cost	$	3.9		$	4.4
Interest cost		10.1			10.2
Expected return on plan assets		(9.1	)		(8.6	)
Amortization of net actuarial loss and prior service cost		1.8			2.3
Net pension cost	$	6.7		$	8.3
	2011			2010
Postretirement benefits
Service cost	$			$	0.1
Interest cost		0.4			0.3
Net postretirement cost	$	0.4		$	0.4

	Six Months Ended June 30,
	2011			2010
Pension benefits
Service cost	$	7.9		$	8.7
Interest cost		20.2			20.5
Expected return on plan assets		(18.2	)		(17.1	)
Amortization of net actuarial loss and prior service cost		3.5			4.5
Net pension cost	$	13.4		$	16.6
Postretirement benefits
Service cost	$	0.1		$	0.1
Interest cost		0.8			0.7
Amortization of prior service credit		(0.1	)		(0.1	)
Amortization of unrecognized net loss		0.1			0.1
Net postretirement cost	$	0.9		$	0.8