Income Taxes Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Contingency [Line Items]
Federal statutory rate	35.00%	35.00%	35.00%
Foreign operations	1.40%	6.70%	1.30%
Valuation allowance	(5.50%)	21.50%	(15.40%)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent	2.00%	7.50%	(2.30%)
Effective in tax rate reconciliation, change in goodwill, percent	(9.50%)	(5.70%)	0.20%
Gain on settlement of liabilities subject to compromise	0.20%	4.90%	0.00%
Income not subject to taxation	(25.40%)	(47.20%)	(25.40%)
Other	(1.50%)	(6.40%)	1.50%
Effective Income Tax Rate, Continuing Operations	(3.30%)	16.30%	(5.10%)