Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2013

Components Of Net Periodic Pension Cost

The components of net periodic pension cost are as follows:

	Quarter Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
(dollars in millions)
Service cost, net of employee contributions	$	7.5		$	7.0		$	22.6		$	20.8
Interest cost		4.6			4.9			13.7			14.6
Expected return on plan assets		(6.5	)		(6.2	)		(19.5	)		(17.9	)
Amortization		3.4			2.8			10.2			7.8
Net periodic pension cost	$	9.0		$	8.5		$	27.0		$	25.3