Income Taxes Income Tax by Jurisdiction (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ (3,150)	$ 67,300	$ 47,760
Income (Loss) from Continuing Operations before Income Taxes, Foreign	(18,970)	2,300	28,390
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	(22,120)	69,600	76,150
Current Federal Tax Expense (Benefit)	12,150	24,630	13,020
Current State and Local Tax Expense (Benefit)	1,080	3,440	1,740
Current Foreign Tax Expense (Benefit)	2,060	1,170	6,690
Current Income Tax Expense (Benefit)	15,290	29,240	21,450
Deferred Federal Income Tax Expense (Benefit)	(1,980)	(9,370)	(2,420)
Deferred State and Local Income Tax Expense (Benefit)	(1,530)	(40)	(1,280)
Deferred Foreign Income Tax Expense (Benefit)	(5,240)	2,880	(840)
Deferred Income Tax Expense (Benefit)	(8,750)	(6,530)	(4,540)
Income Tax Expense (Benefit), Continuing Operations	$ 6,540	$ 22,710	$ 16,910