Income Taxes - Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Effective income tax rate	62.40%	15.60%
Liability for uncertain tax positions from continuing operations	$ 1.3		$ 1.3
Liability for uncertain tax positions from discontinued operations	1.1		1.1
Liability for uncertain tax positions	2.4		2.4
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward expiration period	10 years
Tax credit carryforward	$ 12.7		$ 21.8