Note 7. Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate	32.90%	16.50%
Discrete tax benefits	$ 1.3	$ 3.4
Income Taxes Receivable, Current	$ 5.8		$ 10.6