Condensed Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,020,051	$ 1,854,262
Operating Expenses:
Salaries and related	356,910	339,895
Rent and occupancy	41,523	36,913
Depreciation and amortization	13,393	13,922
Selling and promotion	11,076	10,965
Other	43,611	41,325
Total operating expenses	1,832,450	1,661,444
Operating income	187,601	192,818
Other Income (Expense):
Interest income	6,106	4,314
Other, net	1,665	624
Other income (expense), net	7,771	4,938
Earnings before income taxes	195,372	197,756
Income tax expense	55,261	61,556
Net earnings	140,111	136,200
Less net earnings attributable to the noncontrolling interest	412	508
Net earnings attributable to shareholders	$ 139,699	$ 135,692
Diluted earnings attributable to shareholders per share	$ 0.80	$ 0.76
Basic earnings attributable to shareholders per share	$ 0.81	$ 0.77
Weighted average diluted shares outstanding	175,388	179,416
Weighted average basic shares outstanding	171,818	175,900
Airfreight services
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	$ 714,901	$ 731,227
Operating Expenses:
Direct Operating Costs	509,210	513,504
Ocean freight and ocean services
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	568,641	520,883
Operating Expenses:
Direct Operating Costs	420,331	379,418
Customs brokerage and other services
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	736,509	602,152
Operating Expenses:
Direct Operating Costs	$ 436,396	$ 325,502