PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2013

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Schedule of net periodic benefit cost

	Three Months Ended June 30,											Six Months Ended June 30,
	Pension Benefits						Other Benefits					Pension Benefits						Other Benefits
(In millions)	2013			2012			2013		2012			2013			2012			2013		2012
Service cost – benefits earned during the period	$	1.3		$	1.0		$	0.2	$	0.3		$	2.6		$	1.9		$	0.5	$	0.5
Interest cost on projected benefit obligations	3.6			4.0			0.3		0.3			7.2			7.9			0.6		0.6
Expected return on plan assets	(4.1		)	(3.9		)	—		—			(8.2		)	(7.9		)	—		—
Amortization of net actuarial loss	1.7			1.3			0.5		0.5			3.3			2.6			0.9		1.0
Amortization of prior service benefit	—			—			—		(0.1		)	—			—			—		(0.1		)
Net periodic benefit cost	$	2.5		$	2.4		$	1.0	$	1.0		$	4.9		$	4.5		$	2.0	$	2.0
Settlements	8.3			9.0			—		—			15.2			9.0			—		—
Total net periodic benefit cost	$	10.8		$	11.4		$	1.0	$	1.0		$	20.1		$	13.5		$	2.0	$	2.0