Income Taxes - Narratives (Details) - USD ($)	3 Months Ended	12 Months Ended			24 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018
Operating Loss Carryforwards
Effective rate for continuing operations (percent)		47.50%	(7.70%)	96.80%
Tax Cuts and Jobs Act, additional income tax expense impacting deferred tax assets				$ 21,100,000
Tax Cuts and Jobs Act, incomplete accounting, transition tax for accumulated foreign earnings, income tax				11,300,000
Foreign source dividends and deemed inclusions	$ 65,800,000	$ 10,797,000	$ 16,295,000	86,119,000
Tax Cuts and Jobs Act, measurement period adjustment, income tax expense (benefit)			40,200,000
Tax Cuts and Jobs Act, change in tax rate, deferred tax asset, income tax expense					$ 55,300,000
Tax Cuts and Jobs Act, change in tax rate, income tax expense (benefit)			34,200,000
Tax Cuts and Jobs Act, income tax expense (benefit)					0
Tax Cuts and Jobs Act, incomplete accounting, transition tax for accumulated foreign earnings, provisional income tax expense (benefit)			11,300,000
Tax Cuts and Jobs Act, transition tax for accumulated foreign earnings, income tax expense			(63,100,000)		2,700,000
Termination of hedge accounting		4,533,000	0	0
Disposition of subsidiary		(2,384,000)	0	0
U.S. Tax Reform		0	(62,836,000)	32,414,000
Adjustments to net operation loss			85,700,000
Change in tax rate, foreign tax credits			97,600,000
Valuation allowance adjustment			75,000,000.0
Acquisition of ABS		0	(10,189,000)	0
Incomplete accounting, effective income tax rate reconciliation, foreign dividend source amount	85,500,000
Tax rate differences and credits, amount	90,800,000	1,867,000	(96,231,000)	91,109,000
IRS audit adjustments		0	0	(699,000)
Deferred benefit on acquisition, amount		0	0	6,201,000
Valuation allowance		67,664,000	57,571,000		57,571,000
Change in valuation allowance		(10,100,000)	(87,100,000)
Valuation allowance, effect of expiring foreign tax credits		3,900,000	(2,200,000)
Valuation allowance, effect of net operating loss carryforwards and credits		3,600,000	(8,300,000)
Valuation allowance, effect of other impacts		800,000	1,600,000
Valuation allowance, effect of finalization of tax act			75,000,000.0
Net operating loss carryforward used		208,000,000.0	163,700,000	18,600,000
Operating loss carryforwards		1,300,800,000
Operating loss carryforwards not subject to expiration		87,000,000.0
Tax credit carryforward		64,854,000
Foreign earnings repatriated		121,000,000.0
Undistributed foreign earnings		217,500,000
Undistributed accumulated earnings of foreign subsidiary, provisional unrecognized deferred tax liability		7,600,000
Income taxes paid		32,100,000	49,700,000	29,000,000.0
Proceeds from income tax refunds		5,600,000	3,300,000	6,500,000
Refundable income taxes		9,034,000	10,524,000		10,524,000
Current portion of accrued income taxes payable		1,999,000	1,739,000		1,739,000
Long-term taxes receivable		0	800,000		800,000
Balance at period end - unrecognized tax benefit	13,251,000	18,607,000	16,575,000	13,251,000	16,575,000
Unrecognized tax benefits that would impact effective tax rate	13,300,000	$ 18,600,000	16,600,000	$ 13,300,000	16,600,000
Domestic Tax Authority
Operating Loss Carryforwards
Net operating loss carryforward used			146,200,000
Australian Taxation Office | Foreign Tax Authority
Operating Loss Carryforwards
Effective rate for continuing operations (percent)		30.00%
Canada Revenue Agency | Foreign Tax Authority
Operating Loss Carryforwards
Effective rate for continuing operations (percent)		27.00%
Her Majesty's Revenue and Customs (HMRC) | Foreign Tax Authority
Operating Loss Carryforwards
Effective rate for continuing operations (percent)		19.00%
Estonia Taxing Authority
Operating Loss Carryforwards
Earnings of foreign subsidiaries		$ 69,200,000	68,100,000		68,100,000
Corporate tax rate, percent		20.00%
Latvian Tax Authority
Operating Loss Carryforwards
Earnings of foreign subsidiaries		$ 21,400,000	$ 19,900,000		$ 19,900,000
Corporate tax rate, percent		20.00%
Valuation Allowance of Deferred Tax Assets
Operating Loss Carryforwards
Change in deferred tax assets valuation allowance, amount	$ 71,100,000
CHILE
Operating Loss Carryforwards
Change in valuation allowance		$ 1,800,000
Capital Loss Carryforward
Operating Loss Carryforwards
Tax credit carryforward		$ 20,400,000