Note 18 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Future Repatriation of Foreign Earnings, Amount			$ 0	$ 6,000	$ 3,000
Payments for Other Taxes			8,000	9,000	10,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries			6,000
Intercompany Loan Obligations to Parent			1,172,000
Intercompany Loan Obligations to Parent Considered Permanently Invested			20,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount				60,000	(102,000)
Income Tax Expense (Benefit), Total			72,000	58,000	(32,000)
Goodwill, Impairment Loss	$ 51,000			51,000	6,000
Other Tax Expense (Benefit)				(1,000)
Income Tax Expense (Benefit), Intercompany Sale of Assets				12,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement					(259,000)
Effective Income Tax Rate Reconciliation, State Law Change, Amount					6,000
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount		$ 48,000
Deferred Tax Assets, Capital Loss Carryforwards			56,000	47,000
Deferred Tax Assets, Tax Credit Carryforwards, Total			218,000
Tax Credit Carryforward, Valuation Allowance			63,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign			98,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued			6,000	6,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate			$ 78,000
Minimum [Member]
Tax Loss Carryforward Period (Year)			10 years
Maximum [Member]
Tax Loss Carryforward Period (Year)			20 years
Pension Plan [Member]
Income Tax Expense (Benefit), Total					11,000
Foreign Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount			$ (46,000)	60,000
Tax Credit Carryforward, Valuation Allowance			35,000
Domestic Tax Authority [Member]
Income Tax Expense (Benefit), Total			18,000	(37,000)
Operating Loss Carryforwards, Total			106,000
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards Subject to Limitation, Annual Limit			84,000
Pension Plan, Defined Benefit [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount					(18,000)
UNITED STATES | Income Projections [Member]
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount			$ 46,000		(34,000)
UNITED STATES | Tax Credits [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount					(30,000)
AUSTRALIA
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount				$ (26,000)
BRAZIL
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount					$ (22,000)