Accumulated Other Comprehensive Income (Loss) (Components of accumulated comprehensive loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	$ 3.4		$ (6.8)	[1]
Cumulative Translation Adjustment
Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	5.4		4.8		6.2
Foreign currency translation adjustments	(2.6)	[2]	0.6	[2]	(1.4)	[2]
Loss arising during the year					0
Tax adjustment					0
Loss arising during the year					0
Recognition of actuarial gain	0	[3]	0	[3]	0	[3]
Tax adjustment	0	[4]	0	[4]	0	[4]
Recognition of actuarial gain, net	0		0		0	[4]
Balance	2.8		5.4		4.8
Pension and Postretirement Benefits
Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(12.2)		(13.2)		(3.8)
Foreign currency translation adjustments	0	[2]	0	[2]	0
Loss arising during the year					(16.0)
Tax adjustment					6.4
Loss arising during the year					(9.6)
Recognition of actuarial gain	19.9	[3]	1.6	[3]	0.4	[3]
Tax adjustment	(7.1)	[4]	(0.6)	[4]	(0.2)	[4]
Recognition of actuarial gain, net	12.8		1.0		0.2	[4]
Balance	0.6		(12.2)		(13.2)
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(6.8)		(8.4)		2.4
Foreign currency translation adjustments	(2.6)	[2]	0.6	[2]	(1.4)	[2]
Loss arising during the year					(16.0)
Tax adjustment					6.4
Loss arising during the year					(9.6)
Recognition of actuarial gain	19.9	[3]	1.6	[3]	0.4	[3]
Tax adjustment	(7.1)	[4]	(0.6)	[4]	(0.2)	[4]
Recognition of actuarial gain, net	12.8		1.0		0.2	[4]
Balance	$ 3.4		$ (6.8)		$ (8.4)

[1] Adjusted to reflect the discontinued operations.

[2] No income taxes are provided on foreign currency translation adjustments as foreign earnings are considered permanently invested.

[3] The recognition of actuarial gains are reclassified out of accumulated other comprehensive income and included in the computation of net periodic benefit cost in selling, general and administrative expenses.

[4] The tax adjustments are reclassified out of accumulated other comprehensive income and included in income tax expenses.