Note 2. Goodwill and Intangible Assets Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Intangible Assets [Abstract]
Amortization of intangible assets	$ 0.6	$ 0.6	$ 1.2	$ 1.2