Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Apr. 30, 2015	Apr. 29, 2014
Income Tax Disclosure [Abstract]
Effective tax rate				39.30%	40.50%
Statutory income tax rate				35.00%		35.00%
Business Acquisition [Line Items]
Gain on business combination	$ 0		$ 0	$ 3,443	$ 0
Gross unrecognized tax benefits	$ 7,100			$ 7,100		$ 5,900
Avantec [Member]
Business Acquisition [Line Items]
Gain on business combination		$ 3,400
Percentage of minority interest								15.00%
Avantec [Member]
Business Acquisition [Line Items]
Gain on business combination		$ 3,400
Percentage of interest acquired							85.00%