Business Segment Information - Financial Information Regarding Company's Operations by Geographic Area (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021		Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 4,664,298	$ 3,198,820	[1]
Directly related cost of transportation and other expenses	[2]	3,516,111	2,247,284	[1]
Salaries and other operating expenses	[3]	686,427	566,021
Operating income		461,760	385,515
Identifiable assets at period end		7,955,993	5,454,997		$ 7,609,929
Capital expenditures		14,412	8,391
Equity		3,849,331	2,878,650		$ 3,497,991	$ 2,663,227
Operating Segments | United States Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,241,224	875,390	[1]
Directly related cost of transportation and other expenses	[2]	763,423	502,635	[1]
Salaries and other operating expenses	[3]	333,649	238,698
Operating income		144,152	134,057
Identifiable assets at period end		4,199,798	2,747,984
Capital expenditures		9,477	3,025
Equity		2,753,888	1,985,265
Operating Segments | Other North America Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		104,610	94,117	[1]
Directly related cost of transportation and other expenses	[2]	64,232	53,050	[1]
Salaries and other operating expenses	[3]	24,869	25,737
Operating income		15,509	15,330
Identifiable assets at period end		283,674	194,050
Capital expenditures		1,078	122
Equity		108,208	73,066
Operating Segments | Latin America Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		57,707	44,864	[1]
Directly related cost of transportation and other expenses	[2]	33,857	26,700	[1]
Salaries and other operating expenses	[3]	13,101	12,377
Operating income		10,749	5,787
Identifiable assets at period end		147,391	93,072
Capital expenditures		109	53
Equity		52,188	32,632
Operating Segments | North Asia Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,769,016	1,209,048	[1]
Directly related cost of transportation and other expenses	[2]	1,480,093	967,529	[1]
Salaries and other operating expenses	[3]	123,113	106,920
Operating income		165,810	134,599
Identifiable assets at period end		1,329,469	988,954
Capital expenditures		531	357
Equity		337,802	342,233
Operating Segments | South Asia Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		646,329	349,766	[1]
Directly related cost of transportation and other expenses	[2]	538,883	269,944	[1]
Salaries and other operating expenses	[3]	45,329	43,165
Operating income		62,117	36,657
Identifiable assets at period end		591,672	331,271
Capital expenditures		290	579
Equity		189,168	148,293
Operating Segments | Europe Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		575,791	466,333	[1]
Directly related cost of transportation and other expenses	[2]	417,620	306,909	[1]
Salaries and other operating expenses	[3]	109,269	109,455
Operating income		48,902	49,969
Identifiable assets at period end		1,076,451	853,944
Capital expenditures		2,058	3,554
Equity		317,436	218,198
Operating Segments | Middle East Africa and India Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		270,681	160,506	[1]
Directly related cost of transportation and other expenses	[2]	218,100	121,109	[1]
Salaries and other operating expenses	[3]	38,042	30,275
Operating income		14,539	9,122
Identifiable assets at period end		358,722	265,495
Capital expenditures		869	701
Equity		133,250	121,040
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		(1,060)	(1,204)	[1]
Directly related cost of transportation and other expenses	[2]	(97)	(592)	[1]
Salaries and other operating expenses	[3]	(945)	(606)
Operating income		(18)	(6)
Identifiable assets at period end		(31,184)	(19,773)
Capital expenditures		0	0
Equity		$ (42,609)	$ (42,077)

[1] See Note 1 A, Summary of Significant Accounting Policies.

[2] Directly related cost of transportation and other expenses totals operating expenses from airfreight services, ocean freight and ocean services and customs brokerage and other services as shown in the condensed consolidated statements of earnings.

[3] Salaries and other operating expenses totals salaries and related, rent and occupancy, depreciation and amortization, selling and promotion and other as shown in the condensed consolidated statements of earnings.