Note 21 - Segments, Geographical Area and Major Customer Information - Reconciliation of Segment EBITDA to Consolidated Net Income (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment EBITDA		$ 798,000	$ 603,000	$ 1,023,000
Corporate expense and other items, net		(3,000)	(10,000)	(4,000)
Depreciation		(365,000)	(345,000)	(322,000)
Amortization		(24,000)	(20,000)	(17,000)
Non-service cost components of pension and OPEB costs		(10,000)	(10,000)	(23,000)
Restructuring charges, net		0	(34,000)	(29,000)
Stock compensation expense		(17,000)	(14,000)	(19,000)
Strategic transaction expenses		(13,000)	(20,000)	(41,000)
Amounts attributable to previously divested/closed operations		(2,000)	(1,000)	(5,000)
Loss on disposal group held for sale		(7,000)
Loss on de-designation of fixed-to-fixed cross currency swaps		(9,000)
Gain on sale leaseback		66,000
Impairment	$ (51,000)		(51,000)	(6,000)
Acquisition related inventory adjustments				(13,000)
Non-income tax legal judgment				6,000
Pension settlement charges				(259,000)
Gain on liquidation of foreign subsidiary				12,000
Other items		1,000	(7,000)	(11,000)
Earnings before interest and income taxes		395,000	124,000	292,000
Loss on extinguishment of debt		(29,000)	(8,000)	(9,000)
Interest income		9,000	9,000	10,000
Interest expense		131,000	138,000	122,000
Earnings (loss) before income taxes		244,000	(13,000)	171,000
Income tax expense (benefit)		72,000	58,000	(32,000)
Equity in earnings of affiliates		28,000	20,000	30,000
Net income (loss)		200,000	(51,000)	$ 233,000
Hyliion Inc [Member]
Gain (loss) on investment in Hyliion		$ (20,000)	$ 33,000