Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current
Federal	$ (1,310)	$ (69)	$ 530
State	2,022	(195)	(225)
Foreign	7,371	10,318	6,065
Total current	8,083	10,054	6,370
Deferred
Federal	191	(1,509)	(6,685)
State	(1,613)	3,784	(1,121)
Foreign	1,043	(2,625)	(2,018)
Total deferred	(379)	(350)	(9,824)
Total tax provision (benefit)	7,704	9,704	(3,454)
Effective Income Tax Rate Reconciliation Detail [Table]
Income tax provision (benefit) computed at statutory federal income tax rates	(70,617)	(55,254)	(45)
State income taxes (net of federal benefit)	(608)	(1,730)	(608)
Nondeductible expenses	909	1,433	1,382
Impact of international operations	(1,880)	(7,408)	(3,504)
Goodwill impairments	20,412	7,442	0
Valuation allowance	55,392	67,781	(301)
Other	4,096	(2,560)	(378)
Total tax provision (benefit)	7,704	9,704	(3,454)
Undistributed earnings intended for investment	39,400
Domestic and Foreign Income Before Tax Detail [Table]
Domestic	(195,815)	(138,640)	(14,322)
International	(5,948)	(19,231)	14,194
Total	(201,763)	(157,871)	(128)
Unrecognized Tax Benefit Liability Rollforward Detail [Table]
Gross unrecognized tax benefits at beginning of period	1,959	2,018	2,327
Decreases in tax positions for prior years	0	0	118
Increases in tax positions for current year	120	191	202
Lapse in statute of limitations	(124)	(250)	(393)
Gross unrecognized tax benefits at end of period	1,955	1,959	2,018
Recognized interest and penalties	300	200	(200)
Accrued potential interest and penalties	2,400	2,100
Amount of unrecognized tax benefits that would affect effective tax rate	3,500	2,100
Deferred tax assets:
Net operating losses	91,973	88,867
Foreign tax credits and alternative minimum tax credits	19,772	15,910
Accruals	30,033	35,135
Income recognized for tax not booked	2,608	0
All other	8,686	2,855
Total deferred tax assets	153,072	142,767
Valuation allowance	(126,673)	(73,696)
Net deferred tax assets	26,399	69,071
Deferred tax liabilities:
Excess book over tax basis in property, plant, and equipment	34,146	77,751
All other	1,695	844
Total deferred tax liability	35,841	78,595
Net deferred tax liability	9,442	9,524
Increase (decrease) in valuation allowance	53,000	$ 69,900	$ (300)
Foreign and state net operating loss carryforwards	92,000
Foreign tax credits	$ 18,800