Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Financial information regarding the Company’s operations by geographic area is as follows:

(in thousands)	UNITED STATES		OTHER NORTH AMERICA	LATIN AMERICA	NORTH ASIA	SOUTH ASIA	EUROPE	MIDDLE EAST, AFRICA AND INDIA	ELIMI- NATIONS		CONSOLI- DATED
Three months ended March 31, 2016:
Revenues from unaffiliated customers	$	407,826	52,106	20,064	497,232	136,418	221,897	82,929	—		1,418,472
Transfers between geographic areas	26,034		2,700	3,601	5,096	5,806	10,361	5,394	(58,992	)	—
Total revenues	$	433,860	54,806	23,665	502,328	142,224	232,258	88,323	(58,992	)	1,418,472
Net revenues1	$	220,698	27,378	13,733	110,791	39,518	74,541	30,407	3		517,069
Operating income	$	48,205	7,291	3,852	55,218	15,691	12,253	9,313	3		151,826
Identifiable assets at period end	$	1,255,099	119,258	56,334	455,973	133,940	438,711	216,576	3,852		2,679,743
Capital expenditures	$	8,137	311	485	1,085	655	2,119	1,243	—		14,035
Depreciation and amortization	$	7,332	364	253	1,319	512	1,098	451	—		11,329
Equity	$	978,426	79,312	37,325	300,188	115,606	167,726	137,112	(33,184	)	1,782,511
Three months ended March 31, 2015:
Revenues from unaffiliated customers	$	444,181	54,794	24,081	645,444	181,381	242,086	85,559	—		1,677,526
Transfers between geographic areas	27,675		2,814	4,777	5,697	5,915	9,637	5,067	(61,582	)	—
Total revenues	$	471,856	57,608	28,858	651,141	187,296	251,723	90,626	(61,582	)	1,677,526
Net revenues1	$	219,603	30,678	16,559	117,405	42,200	75,888	27,153	—		529,486
Operating income	$	59,181	11,091	5,356	57,056	13,880	15,071	7,248	—		168,883
Identifiable assets at period end	$	1,451,103	109,180	57,232	541,983	143,910	430,338	198,954	11,078		2,943,778
Capital expenditures	$	6,325	288	617	290	319	1,148	458	—		9,445
Depreciation and amortization	$	7,393	292	268	1,399	530	1,246	401	—		11,529
Equity	$	1,182,808	58,998	34,604	306,775	106,139	154,343	120,086	(36,222	)	1,927,531

Schedule of Net Revenues Calculation

The following table presents the calculation of consolidated net revenues:

	Three months ended
	March 31,
	2016		2015
Total revenues	$	1,418,472	$	1,677,526
Expenses:
Airfreight services	388,777		513,001
Ocean freight and ocean services	323,020		445,456
Customs brokerage and other services	189,606		189,583
Net revenues	$	517,069	$	529,486