Note 18. Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Contribution Plan [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent	4.00%
Defined Contribution Plan, 401(k) Plan [Member]
Defined Contribution Plan [Line Items]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 6.7	$ 7.0	$ 6.9
Defined Contribution Plan, Foreign Plan [Member]
Defined Contribution Plan [Line Items]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 0.9	$ 1.3	$ 1.4