Note 11 - Business Segments - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Depreciation and amortization	$ 166,580	$ 138,923	$ 472,914	$ 415,839
Operating Segments [Member] | JBI [Member]
Depreciation and amortization	58,000	48,900	165,900	147,500
Operating Segments [Member] | DCS [Member]
Depreciation and amortization	68,700	58,300	197,800	173,600
Operating Segments [Member] | ICS [Member]
Depreciation and amortization	600	200	1,700	600
Operating Segments [Member] | JBT [Member]
Depreciation and amortization	11,900	9,100	32,500	26,800
Operating Segments [Member] | FMS [Member]
Depreciation and amortization	11,400	8,700	32,100	26,300
Segment Reconciling Items [Member]
Depreciation and amortization	$ 16,000	$ 13,700	$ 42,900	$ 41,000