Income Taxes - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)
Operating Loss Carryforwards [Line Items]
Effective income tax rate continuing operations	31.30%	31.30%
Federal statutory tax rate		35.00%
Unrecognized Tax Benefits, Probability Threshold of Realizing for Tax Benefits Recognition, Minimum Percentage		50.00%
Unrecognized Tax Benefits, Including Foreign Tax Credits and Penalties and Interest	$ 4.5	$ 4.5