Note 19. Income Taxes (Details) - USD ($) $ in Thousands	1 Months Ended			12 Months Ended
	May 31, 2017	Jul. 31, 2016	Apr. 30, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Investments, Owned, Federal Income Tax Note [Line Items]
Effective Income Tax Rate Reconciliation, at Future Federal Statutory Income Tax Rate, Percent				21.00%
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit)				$ 408,100
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Provisional Income Tax Expense (Benefit)				6,600
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense (Benefit)				401,500
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Liability				$ 101,300
Foreign-Derived Intangible Income Deduction Limit, Percent				37.50%
Income (Loss) before Taxes and Equity in Earnings [Abstract]
U.S. income				$ (22,868)	$ (426,791)	$ 227,150
Non-U.S. income				224,983	(110,460)	506,180
Income (loss) before taxes and equity in earnings of unconsolidated affiliates				202,115	(537,251)	733,330
Current Expense (Benefit) [Abstract]
Federal				116,956	(14,389)	31,988
State				3,009	1,303	6,644
Foreign				11,099	(29,009)	23,215
Total current expense (benefit)				131,064	(42,095)	61,847
Deferred Expense (Benefit) [Abstract]
Federal				226,570	90,319	20,731
State				5,335	(9,536)	5,904
Foreign				9,027	(15,521)	(56,153)
Total deferred expense (benefit)				240,932	65,262	(29,518)
Total income tax expense				371,996	23,167	32,329
Investment Tax Credit						19,200
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory income tax expense (benefit) ($)				$ 70,740	$ (188,038)	$ 256,659
Statutory income tax expense (benefit) (%)				35.00%	35.00%	35.00%
Provisional effect of Tax Act ($)				$ 408,090	$ 0	$ 0
Provisional effect of Tax Act (%)				201.90%	0.00%	0.00%
Changes in valuation allowance ($)				$ 9,534	$ 2,412	$ (7,799)
Changes in valuation allowance (%)				4.70%	(0.40%)	(1.10%)
Foreign tax rate differential ($)				$ (22,048)	$ 6,833	$ (20,967)
Foreign tax rate differential (%)				(10.90%)	(1.30%)	(2.80%)
State tax, net of federal benefit ($)				$ 4,397	$ (8,655)	$ 8,855
State tax, net of federal benefit (%)				2.20%	1.60%	1.20%
Non-deductible expenses ($)				$ 2,703	$ 324	$ 4,161
Non-deductible expenses (%)				1.30%	0.00%	0.60%
Share-based compensation ($)				$ 1,161	$ (23,283)	$ 0
Share-based compensation (%)				0.60%	4.30%	0.00%
Change in tax contingency ($)				$ 959	$ (34,541)	$ 0
Change in tax contingency (%)				0.50%	6.40%	0.00%
Foreign dividend income ($)				$ 540	$ 248,013	$ 0
Foreign dividend income (%)				0.30%	(46.20%)	0.00%
Goodwill ($)				$ 0	$ 22,468	$ 0
Goodwill (%)				0.00%	(4.20%)	0.00%
Effect of private letter ruling ($)				$ 0	$ 0	$ (41,694)
Effect of private letter ruling (%)				(0.00%)	(0.00%)	(5.70%)
Tax credits ($)				$ (18,445)	$ (15,435)	$ (2,566)
Tax credits (%)				(9.10%)	2.90%	(0.40%)
Return to provision adjustments ($)				$ (35,191)	$ 11,757	$ 6,596
Return to provision adjustments (%)				(17.40%)	(2.20%)	0.90%
Effect of tax holiday ($)				$ (46,643)	$ 4,640	$ (154,650)
Effect of tax holiday (%)				(23.10%)	(0.90%)	(21.10%)
Other ($)				$ (3,801)	$ (3,328)	$ (16,266)
Other (%)				(1.90%)	0.70%	(2.20%)
Reported income tax expense (benefit) (%)				184.10%	(4.30%)	4.40%
Income Taxes Paid, Net				$ 1,200	$ 1,900	$ 30,800
Deferred tax assets [Abstract]
Goodwill				12,140	42,168
Compensation				9,442	18,289
Accrued expenses				62,345	83,349
Tax credits				954	62,254
Net operating losses				124,281	86,328
Inventory				7,601	6,830
Deferred expenses				2,057	3,276
Property, plant and equipment				35,104	64,150
Long-term contracts				4,554	47,795
Other				11,630	10,034
Deferred tax assets, gross				270,108	424,473
Valuation allowance				(143,818)	(123,936)	$ (121,524)	$ (129,323)
Deferred tax assets, net of valuation allowance				126,290	300,537
Deferred tax liabilities [Abstract]
Capitalized interest				(1,722)	(6,821)
Acquisition accounting / basis difference				(5,880)	(6,848)
Restricted investments and derivatives				(10,680)	(12,429)
Investments in foreign subsidiaries				(9,555)	(582)
Equity in earnings				(40,339)	(35,585)
Other				(7,541)	(322)
Deferred tax liabilities				(75,717)	(62,587)
Net deferred tax assets and liabilities				$ 50,573	$ 237,950
Domestic Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ (42,100)
Foreign Tax Authority
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax Adjustments, Settlements, and Unusual Provisions		$ (35,400)	$ (41,700)