Note 19. Income Taxes (Details) - Uncertainties - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of year	$ 89,256	$ 141,755	$ 162,029
Increases related to prior year tax positions	3,827	0	484
Decreases related to prior year tax positions	0	(6,119)	(2,693)
Decreases from lapse in statute of limitations	(11,840)	(14,421)	(13,827)
Decreases relating to settlements with authorities	(2,494)	(35,416)	(20,485)
Increases related to current tax positions	5,424	3,457	16,247
Unrecognized tax benefits, end of year	84,173	$ 89,256	141,755
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	81,800
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	5,500
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	10,000
Germany
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Tax Adjustments, Settlements, and Unusual Provisions	$ 2,500
Spain
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Tax Adjustments, Settlements, and Unusual Provisions			$ 3,000
Australia
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Open Tax Years	2012 - 2016
India
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Open Tax Years	2012 - 2017
Malaysia
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Open Tax Years	2012 - 2016
United States
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Open Tax Years	2008 - 2009; 2012 - 2016