Condensed Consolidated Statements of Earnings (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Airfreight services	$ 686,434	$ 628,116	$ 2,000,829	$ 1,891,459
Ocean freight and ocean services	600,483	525,193	1,606,145	1,462,679
Customs brokerage and other services	418,188	384,657	1,188,917	1,100,260
Total revenues	1,705,105	1,537,966	4,795,891	4,454,398
Operating Expenses:
Airfreight services	516,969	466,699	1,503,064	1,414,634
Ocean freight and ocean services	475,460	409,649	1,266,551	1,135,299
Customs brokerage and other services	199,420	176,716	563,720	499,684
Salaries and related costs	272,548	261,613	789,257	765,599
Rent and occupancy costs	26,396	24,542	76,959	73,447
Depreciation and amortization	12,741	12,629	37,540	35,581
Selling and promotion	9,240	8,306	26,704	23,891
Other	33,200	31,499	95,319	87,853
Total operating expenses	1,545,974	1,391,653	4,359,114	4,035,988
Operating income	159,131	146,313	436,777	418,410
Other Income (Expense):
Interest income	2,793	2,967	8,254	9,280
Other, net	2,336	1,212	5,245	7,068
Other income, net	5,129	4,179	13,499	16,348
Earnings before income taxes	164,260	150,492	450,276	434,758
Income tax expense	61,463	57,763	171,556	168,756
Net earnings	102,797	92,729	278,720	266,002
Less net earnings attributable to the noncontrolling interest	416	329	1,213	972
Net earnings attributable to shareholders	$ 102,381	$ 92,400	$ 277,507	$ 265,030
Diluted earnings attributable to shareholders per share	$ 0.53	$ 0.45	$ 1.40	$ 1.28
Basic earnings attributable to shareholders per share	$ 0.53	$ 0.45	$ 1.41	$ 1.28
Dividends declared and paid per common share	$ 0.00	$ 0.00	$ 0.32	$ 0.30
Weighted average diluted shares outstanding	195,001,267	207,368,792	197,953,810	207,351,569
Weighted average basic shares outstanding	194,419,071	206,516,194	197,305,251	206,478,746