Pension And Other Retiree Benefits (Tables)

3 Months Ended

6 Months Ended

Jun. 30, 2011

Jun. 30, 2011

Pension And Other Retiree Benefits

Components Of Net Periodic Benefit Cost

(in millions)	Three Months Ended June 30,
	Pension Benefits						Postretirement Benefits
	2011			2010			2011			2010
Service cost	$	4.8		$	4.8		$	0.2		$	0.1
Interest cost		13.7			13.3			1.3			1.3
Expected return on plan assets		(18.0	)		(17.3	)		—			—
Amortization of prior service cost (credit)		0.4			0.6			(0.9	)		(1.1	)
Amortization of net losses (gains)		5.7			4.7			0.1			(0.2	)
Termination benefit		—			0.1			—			—
Net periodic benefit cost	$	6.6		$	6.2		$	0.7		$	0.1

(in millions)	Six Months Ended June 30,
	Pension Benefits						Postretirement Benefits
	2011			2010			2011			2010
Service cost	$	10.3		$	10.1		$	0.5		$	0.4
Interest cost		27.5			26.7			2.6			2.7
Expected return on plan assets		(36.1	)		(34.7	)		—			—
Amortization of prior service cost (credit)		0.9			1.1			(1.9	)		(1.9	)
Amortization of net losses (gains)		11.4			9.6			0.1			(0.2	)
Termination benefit		—			0.2			—			—
Net periodic benefit cost	$	14.0		$	13.0		$	1.3		$	1.0