Condensed Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Airfreight services	$ 615,545	$ 560,853
Ocean freight and ocean services	493,759	454,192
Customs brokerage and other services	435,828	403,427
Total revenues	1,545,132	1,418,472
Operating Expenses:
Airfreight services	443,404	388,777
Ocean freight and ocean services	366,063	323,020
Customs brokerage and other services	208,060	189,606
Salaries and related costs	292,580	283,355
Rent and occupancy costs	28,130	26,859
Depreciation and amortization	11,927	11,329
Selling and promotion	10,915	9,432
Other	37,939	34,268
Total operating expenses	1,399,018	1,266,646
Operating income	146,114	151,826
Other Income (Expense):
Interest income	2,741	2,779
Other, net	298	879
Other income (expense), net	3,039	3,658
Earnings before income taxes	149,153	155,484
Income tax expense	55,586	58,437
Net earnings	93,567	97,047
Less net earnings attributable to the noncontrolling interest	303	463
Net earnings attributable to shareholders	$ 93,264	$ 96,584
Diluted earnings attributable to shareholders per share	$ 0.51	$ 0.53
Basic earnings attributable to shareholders per share	$ 0.52	$ 0.53
Weighted average diluted shares outstanding	182,094	183,018
Weighted average basic shares outstanding	180,062	182,010