Shareholders' Investment (Tables)

3 Months Ended

Mar. 31, 2012

Shareholders' Investment [Abstract]

Schedule Of Accumulated Balances Related To Each Component Of Other Comprehensive Income (Loss)

	Change in Derivative Instruments Designated As Cash Flow Hedges			Foreign Currency Translation Adjustment		Benefit Plan Adjustments			Available-for-Sale Securities			Accumulated Other Comprehensive (Loss) Income
(dollars in millions)
Balance at December 31, 2011	$	(1.4	)	$	41.1	$	(106.3	)	$	—		$	(66.6	)
Other comprehensive income (loss) before income taxes		3.7			4.7		2.6			—			11.0
Income tax (provision) benefit related to other comprehensive income (loss) items (A)		(1.4	)		—		(0.9	)		—			(2.3	)
Balance at March 31, 2012	$	0.9		$	45.8	$	(104.6	)	$	—		$	(57.9	)
Balance at December 31, 2010	$	—		$	29.0	$	(85.2	)	$	—		$	(56.2	)
Other comprehensive income (loss) before income taxes		(0.5	)		28.9		2.0			(0.5	)		29.9
Income tax (provision) benefit related to other comprehensive income (loss) items (A)		—			—		(0.7	)		0.1			(0.6	)
Balance at March 31, 2011	$	(0.5	)	$	57.9	$	(83.9	)	$	(0.4	)	$	(26.9	)

^(A) Income taxes are not provided for foreign currency translation adjustments.