Business Segment Information - Financial Information Regarding Company's Operations by Geographic Area (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 4,362,146	$ 4,319,261	$ 13,629,756	$ 11,127,174
Directly related cost of transportation and other expenses	[1]	3,194,273	3,185,490	10,151,332	8,031,407
Salaries and other operating expenses	[2]	640,950	644,134	1,983,759	1,809,970
Operating income		526,923	489,637	1,494,665	1,285,797
Identifiable assets at period end		6,607,526	7,076,383	6,607,526	7,076,383		$ 7,609,929
Capital expenditures		15,928	9,870	68,498	24,800
Depreciation and amortization		15,187	12,753	42,416	38,415
Equity		3,491,393	3,420,592	3,491,393	3,420,592	$ 3,535,263	$ 3,497,991	$ 3,083,651	$ 2,663,227
Operating Segments | United States Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,244,515	1,134,096	3,751,102	3,007,053
Directly related cost of transportation and other expenses	[1]	742,826	661,515	2,303,428	1,731,032
Salaries and other operating expenses	[2]	314,442	238,943	962,817	718,762
Operating income		187,247	233,638	484,857	557,259
Identifiable assets at period end		3,553,279	3,417,496	3,553,279	3,417,496
Capital expenditures		9,278	6,001	45,149	11,931
Equity		2,430,632	2,451,584	2,430,632	2,451,584
Operating Segments | Other North America Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		140,622	116,404	390,220	311,986
Directly related cost of transportation and other expenses	[1]	80,116	63,031	230,154	175,392
Salaries and other operating expenses	[2]	30,151	33,077	86,328	90,114
Operating income		30,355	20,296	73,738	46,480
Identifiable assets at period end		272,527	256,638	272,527	256,638
Capital expenditures		556	248	2,672	434
Equity		129,346	93,084	129,346	93,084
Operating Segments | Latin America Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		68,057	54,303	191,900	146,148
Directly related cost of transportation and other expenses	[1]	41,638	34,216	118,793	86,868
Salaries and other operating expenses	[2]	15,057	14,759	42,654	41,871
Operating income		11,362	5,328	30,453	17,409
Identifiable assets at period end		137,472	110,406	137,472	110,406
Capital expenditures		419	175	705	300
Equity		59,494	37,087	59,494	37,087
Operating Segments | North Asia Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,489,331	1,690,381	4,840,822	4,208,811
Directly related cost of transportation and other expenses	[1]	1,250,872	1,417,283	4,054,319	3,471,453
Salaries and other operating expenses	[2]	98,758	141,109	326,767	354,841
Operating income		139,701	131,989	459,736	382,517
Identifiable assets at period end		915,895	1,558,109	915,895	1,558,109
Capital expenditures		581	435	1,878	1,192
Equity		304,496	368,535	304,496	368,535
Operating Segments | South Asia Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		518,780	538,780	1,776,355	1,306,264
Directly related cost of transportation and other expenses	[1]	416,817	445,970	1,463,173	1,051,133
Salaries and other operating expenses	[2]	37,577	54,003	121,634	146,214
Operating income		64,386	38,807	191,548	108,917
Identifiable assets at period end		421,148	457,615	421,148	457,615
Capital expenditures		426	351	1,152	1,462
Equity		180,855	129,941	180,855	129,941
Operating Segments | Europe Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		637,411	564,810	1,871,509	1,576,092
Directly related cost of transportation and other expenses	[1]	453,248	389,208	1,335,267	1,072,973
Salaries and other operating expenses	[2]	109,308	126,475	333,971	359,338
Operating income		74,855	49,127	202,271	143,781
Identifiable assets at period end		1,020,756	990,123	1,020,756	990,123
Capital expenditures		3,619	2,254	13,343	7,908
Equity		289,595	258,805	289,595	258,805
Operating Segments | Middle East Africa and India Segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		264,518	221,777	811,147	574,469
Directly related cost of transportation and other expenses	[1]	209,248	174,733	647,510	444,132
Salaries and other operating expenses	[2]	36,181	36,598	111,481	100,899
Operating income		19,089	10,446	52,156	29,438
Identifiable assets at period end		322,160	328,671	322,160	328,671
Capital expenditures		1,049	406	3,599	1,573
Equity		140,147	123,304	140,147	123,304
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		(1,088)	(1,290)	(3,299)	(3,649)
Directly related cost of transportation and other expenses	[1]	(492)	(466)	(1,312)	(1,576)
Salaries and other operating expenses	[2]	(524)	(830)	(1,893)	(2,069)
Operating income		(72)	6	(94)	(4)
Identifiable assets at period end		(35,711)	(42,675)	(35,711)	(42,675)
Capital expenditures		0	0	0	0
Equity		$ (43,172)	$ (41,748)	$ (43,172)	$ (41,748)

[1] 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.

[2] 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.