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Note 6 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule Of Losses Before Income Tax Domestic And Foreign [Table Text Block]

		Year Ended December 31,
(In thousands)		2020				2019				2018
Non-U.S.		$	(137,225	)		$	(44,205	)		$	(99,607	)
United States			(60,436	)			(69,290	)			(53,912	)
		$	(197,661	)		$	(113,495	)		$	(153,519	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		U.S.
(In thousands)		Federal				State				Non-U.S.				Total
Year Ended December 31, 2018
Current		$	962				—				16,718				17,680
Deferred			531				250				(209	)			572
		$	1,493				250				16,509				18,252
Year Ended December 31, 2019
Current		$	649				—				26,403				27,052
Deferred			672				—				—				672
		$	1,321				—				26,403				27,724
Year Ended December 31, 2020
Current		$	(21,005	)			—				18,816				(2,189	)
Deferred			(30	)			—				1,254				1,224
		$	(21,035	)			—				20,070				(965	)

Schedule Of Income Tax Expense Benefit Reconciliation [Table Text Block]

		Year Ended December 31,
(In thousands)		2020				2019				2018
Computed “expected” tax benefit		$	(41,509	)		$	(23,834	)			(32,239	)
Increase (reduction) resulting from:
Foreign income taxed at different rates			27,639				9,283				20,917
Uncertain tax positions			(62,833	)			5,145				2,264
Nondeductible transaction costs			—				—				1,091
Valuation allowance – deferred tax assets			43,455				15,707				38,778
Valuation allowance -deferred tax true-up			(6,523	)			—				—
Deferred tax true-up			6,523				—				—
Foreign taxes			12,520				20,778				13,012
State taxes			—				—				246
Return to accrual			11,401				(2,247	)			(28,176	)
162(m) - Executive compensation			286				28				2,818
Subpart F income			5,631				1,227				—
Other, net			2,445				1,637				(459	)
		$	(965	)		$	27,724				18,252

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		December 31,				December 31,
(In thousands)		2020				2019
Deferred tax assets:
Accrued employee benefit plan costs		$	8,815			$	7,422
Stock based compensation			407				972
Net operating loss and tax credit carryforwards			148,699				99,281
Restructuring fees not currently deductible for tax purposes			1,415				2,264
Disallowed business interest expense carryforward			5,546				5,105
Other			2,518				3,380
Gross deferred tax assets			167,400				118,424
Less valuation allowance			(140,428	)			(103,496	)
Net deferred tax assets			26,972				14,928
Deferred tax liabilities:
Depreciation and amortization			(25,883	)			(11,246	)
Outside basis difference deferred tax liability			(2,891	)			(2,892	)
Foreign interest withholding tax			(859	)			—
Other			(754	)			(2,981	)
Gross deferred tax liabilities			(30,387	)			(17,119	)
Net deferred tax assets (liabilities)		$	(3,415	)		$	(2,191	)

Schedule Of Uncertain Tax Positions And Income Tax Payable [Table Text Block]

		December 31,				December 31,
(In thousands)		2020				2019
Tax liabilities for uncertain tax positions		$	35,304			$	48,577
Income tax payable			15,928				13,760
Income tax receivable			8,280				3,798

Summary of Income Tax Contingencies [Table Text Block]

(In thousands)
Balance at December 31, 2017		$	404,571
Additions from GulfMark business combination			8,857
Additions based on tax positions related to a prior year			6,903
Settlement and lapse of statute of limitations			(2,953	)
Reductions based on tax positions related to a prior year			(18,086	)
Balance at December 31, 2018 (A)		$	399,292
Additions based on tax positions related to the current year			14,741
Additions based on tax positions related to a prior year			1,964
Settlement and lapse of statute of limitations			(1,897	)
Reductions based on tax positions related to a prior year			(58	)
Balance at December 31, 2019 (A)		$	414,042
Additions based on tax positions related to a prior year			2,223
Settlement and lapse of statute of limitations			(64,458	)
Reductions based on tax positions related to a prior year			(760	)
Balance at December 31, 2020 (A)		$	351,047

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