Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Revenues	$ 8,138,365	$ 6,920,948	$ 6,098,037
Operating Expenses:
Salaries and related costs	1,393,259	1,267,120	1,157,635
Rent and occupancy costs	152,813	119,732	108,812
Depreciation and amortization	54,019	49,310	46,796
Selling and promotion	45,346	44,290	41,763
Other	178,373	138,477	138,867
Total operating expenses	7,341,802	6,220,688	5,427,874
Operating income	796,563	700,260	670,163
Other Income (Expense):
Interest income	19,153	13,204	11,580
Other, net	2,613	5,131	5,113
Other income, net	21,766	18,335	16,693
Earnings before income taxes	818,329	718,595	686,856
Income tax expense	198,539	228,212	254,323
Net earnings	619,790	490,383	432,533
Less net earnings attributable to the noncontrolling interest	1,591	1,038	1,726
Net earnings attributable to shareholders	$ 618,199	$ 489,345	$ 430,807
Diluted earnings attributable to shareholders per share	$ 3.48	$ 2.69	$ 2.36
Basic earnings attributable to shareholders per share	$ 3.55	$ 2.73	$ 2.38
Weighted average diluted shares outstanding	177,833	181,666	182,704
Weighted average basic shares outstanding	174,133	179,247	181,282
Airfreight services
Revenues:
Revenues	$ 3,271,932	$ 2,877,032	$ 2,453,347
Operating Expenses:
Direct Operating Costs	2,410,793	2,126,761	1,752,167
Ocean freight and ocean services
Revenues:
Revenues	2,251,754	2,107,045	1,917,494
Operating Expenses:
Direct Operating Costs	1,664,168	1,543,740	1,378,699
Customs brokerage and other services
Revenues:
Revenues	2,614,679	1,936,871	1,727,196
Operating Expenses:
Direct Operating Costs	$ 1,443,031	$ 931,258	$ 803,135