Condensed Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Airfreight services	$ 671,868	$ 582,093	$ 1,287,413	$ 1,142,946
Ocean freight and ocean services	528,585	464,692	1,022,344	918,884
Customs brokerage and other services	471,826	428,379	907,654	831,806
Total revenues	1,672,279	1,475,164	3,217,411	2,893,636
Operating Expenses:
Airfreight services	499,418	403,419	942,822	792,196
Ocean freight and ocean services	385,927	323,699	751,990	646,719
Customs brokerage and other services	223,301	194,929	431,361	384,535
Salaries and related costs	318,529	293,532	611,109	576,887
Rent and occupancy costs	29,163	27,079	57,293	53,938
Depreciation and amortization	12,042	11,642	23,969	22,971
Selling and promotion	10,953	10,251	21,868	19,683
Other	24,706	31,749	62,645	66,017
Total operating expenses	1,504,039	1,296,300	2,903,057	2,562,946
Operating income	168,240	178,864	314,354	330,690
Other Income (Expense):
Interest income	3,380	2,890	6,121	5,669
Other, net	2,190	1,603	2,488	2,482
Other income (expense), net	5,570	4,493	8,609	8,151
Earnings before income taxes	173,810	183,357	322,963	338,841
Income tax expense	65,055	66,918	120,641	125,355
Net earnings	108,755	116,439	202,322	213,486
Less net (loss) earnings attributable to the noncontrolling interest	(96)	387	207	850
Net earnings attributable to shareholders	$ 108,851	$ 116,052	$ 202,115	$ 212,636
Diluted earnings attributable to shareholders per share	$ 0.60	$ 0.63	$ 1.11	$ 1.16
Basic earnings attributable to shareholders per share	0.60	0.64	1.12	1.17
Common Stock, Dividends, Per Share, Cash Paid	$ 0.42	$ 0.40	$ 0.42	$ 0.40
Weighted average diluted shares outstanding	182,033	183,132	182,091	183,110
Weighted average basic shares outstanding	180,012	181,753	180,037	181,882