Comprehensive Income

9 Months Ended

Sep. 30, 2011

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Comprehensive Income

Comprehensive Income

The Company’s comprehensive income is shown below:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(dollars in millions)	2011			2010			2011			2010
Net income	$	17.6		$	14.5		$	49.0		$	46.9
Other comprehensive income, net of tax:
Defined benefit pension and postretirement plans:
Net gain arising during the period, net of tax of $0.9	—			—			1.4			—
Amortization of prior service benefits included in net income,
net of tax of ($1.1), ($1.0), ($3.5), ($3.4)	(2.1		)	(2.0		)	(6.1		)	(6.0		)
Amortization of net loss included in net income, net of tax of $1.9, $1.4, $5.7, $4.0	3.4			2.3			9.9			6.9
Reclassification adjustment for curtailment loss included in net income,
net of tax of $1.5	—			—			2.7			—
Other comprehensive income	1.3			0.3			7.9			0.9
Total comprehensive income	$	18.9		$	14.8		$	56.9		$	47.8