Restatement of Previously Issued Consolidated Financial Statements - Adjustments for Error Corrections in Statement of Consolidated Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales and other operating revenues	$ 731,524	$ 489,227	$ 596,970	$ 249,144	$ 606,074	$ 658,275	$ 704,873	$ 385,314	$ 2,066,865	$ 2,354,536	$ 2,240,996
Cost of goods and services sold									1,824,148	2,127,880	1,953,794
Gross profit	75,315	69,255	64,876	33,271	35,323	79,158	85,463	26,712	242,717	226,656	287,202
Selling, general and administrative expenses									137,020	134,086	145,777
Other income					19,642	(1,627)	(499)	1,244	1,390	18,760	20,721
Operating income									97,969	106,219	162,201
Interest expense									113,273	116,827	114,528
Income (loss) before income taxes and other									(8,265)	(60,989)	53,025
Income tax expense									20,860	40,475	30,050
Net income (loss)	2,421	3,065	(8,158)	(23,630)	(27,263)	9,321	(45,498)	(37,964)	(26,302)	(101,404)	24,612
Net income (loss) attributable to Alliance One International, Inc.	$ 2,411	$ 3,295	$ (8,151)	$ (23,685)	$ (27,165)	$ 9,591	$ (45,394)	$ (38,093)	$ (26,130)	$ (101,061)	$ 23,913
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.27	$ 0.37	$ (0.92)	$ (2.69)	$ (3.09)	$ 1.09	$ (5.18)	$ (4.35)	$ (2.96)	$ (11.52)	$ 2.74
Diluted (in dollars per share)	$ 0.27	$ 0.37	$ (0.92)	$ (2.69)	$ (3.09)	$ 1.02	$ (5.18)	$ (4.35)	$ (2.96)	$ (11.52)	$ 2.53
Inventory Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales and other operating revenues	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Cost of goods and services sold									14,727	10,567	(4,230)
Gross profit	3,589	(755)	(13,762)	(3,799)	3,205	(8,408)	(2,700)	$ (2,664)	(14,727)	(10,567)	4,230
Selling, general and administrative expenses											0
Other income					0	0	0		0	0
Operating income									(14,727)	(10,567)	4,230
Interest expense									0	0	0
Income (loss) before income taxes and other									(14,727)	(10,567)	4,230
Income tax expense									(828)	439	367
Net income (loss)	5,956	1,008	(10,741)	(10,122)	1,606	(7,120)	(3,343)	$ (2,149)	(13,899)	(11,006)	3,863
Net income (loss) attributable to Alliance One International, Inc.	$ 5,956	$ 1,008	$ (10,741)	$ (10,122)	$ 1,606	$ (7,120)	$ (3,343)	$ (2,149)	$ (13,899)	$ (11,006)	$ 3,863
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.67	$ 0.11	$ (1.20)	$ (1.15)	$ 0.18	$ (0.80)	$ (0.38)	$ (0.25)	$ (1.58)	$ (1.25)	$ 0.44
Diluted (in dollars per share)	$ 0.67	$ 0.11	$ (1.20)	$ (1.15)	$ 0.18	$ (0.74)	$ (0.38)	$ (0.25)	$ (1.58)	$ (1.25)	$ 0.35
Receivables Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales and other operating revenues	$ (6,004)	$ 306	$ 7,155	$ 127	$ (9,765)	$ 3,725	$ 4,193	$ 1,503	$ 1,584	$ (344)	$ (3,279)
Cost of goods and services sold									0	0	0
Gross profit	(6,004)	306	7,155	127	(9,765)	3,725	4,193	1,503	1,584	(344)	(3,279)
Selling, general and administrative expenses											0
Other income					0	0	0	0	0	0
Operating income									1,584	(344)	(3,279)
Interest expense									0	0	0
Income (loss) before income taxes and other									1,584	(344)	(3,279)
Income tax expense									89	14	(285)
Net income (loss)	(6,356)	(21)	4,580	3,292	(9,953)	3,648	4,156	1,791	1,495	(358)	(2,994)
Net income (loss) attributable to Alliance One International, Inc.	$ (6,356)	$ (21)	$ 4,580	$ 3,292	$ (9,953)	$ 3,648	$ 4,156	$ 1,791	$ 1,495	$ (358)	$ (2,994)
Earnings (loss) per share:
Basic (in dollars per share)	$ (0.71)	$ 0.00	$ 0.51	$ 0.37	$ (1.12)	$ 0.41	$ 0.47	$ 0.20	$ 0.17	$ (0.04)	$ (0.34)
Diluted (in dollars per share)	$ (0.71)	$ 0.00	$ 0.51	$ 0.37	$ (1.12)	$ 0.38	$ 0.47	$ 0.20	$ 0.17	$ (0.04)	$ (0.27)
Other Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales and other operating revenues	$ (569)	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ (76)	$ (569)	$ (76)	$ 459
Cost of goods and services sold									(1,350)	2,384	(546)
Gross profit	(1,058)	0	0	1,839	(1,839)	0	0	(621)	781	(2,460)	1,005
Selling, general and administrative expenses											27
Other income					530	0	0	0	(504)	530
Operating income									277	(1,929)	978
Interest expense									(82)	29	(29)
Income (loss) before income taxes and other									359	(1,958)	1,007
Income tax expense									(1,340)	1,080	1,976
Net income (loss)	(939)	956	(81)	1,763	(1,717)	(224)	(224)	(873)	1,699	(3,038)	(969)
Net income (loss) attributable to Alliance One International, Inc.	$ (939)	$ 956	$ (81)	$ 1,763	$ (1,717)	$ (224)	$ (224)	$ (873)	$ 1,699	$ (3,038)	$ (969)
Earnings (loss) per share:
Basic (in dollars per share)	$ (0.11)	$ 0.11	$ (0.01)	$ 0.20	$ (0.20)	$ (0.03)	$ (0.03)	$ (0.10)	$ 0.19	$ (0.35)	$ (0.11)
Diluted (in dollars per share)	$ (0.11)	$ 0.11	$ (0.01)	$ 0.20	$ (0.20)	$ (0.03)	$ (0.03)	$ (0.10)	$ 0.19	$ (0.35)	$ (0.09)
As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales and other operating revenues	$ 738,097	$ 488,921	$ 589,815	$ 249,017	$ 615,839	$ 654,550	$ 700,680	$ 383,887	$ 2,065,850	$ 2,354,956	$ 2,243,816
Cost of goods and services sold									1,810,771	2,114,929	1,958,570
Gross profit	78,788	69,704	71,483	35,104	43,722	83,841	83,970	28,494	255,079	240,027	285,246
Selling, general and administrative expenses											145,750
Other income					19,112	(1,627)	(499)	1,244	1,894	18,230
Operating income									110,835	119,059	160,272
Interest expense									113,355	116,798	114,557
Income (loss) before income taxes and other									4,519	(48,120)	51,067
Income tax expense									22,939	38,942	27,992
Net income (loss)	3,761	1,122	(1,917)	(18,563)	(17,200)	13,017	(46,086)	(36,733)	(15,597)	(87,002)	24,712
Net income (loss) attributable to Alliance One International, Inc.	$ 3,751	$ 1,352	$ (1,910)	$ (18,618)	$ (17,102)	$ 13,287	$ (45,982)	$ (36,862)	$ (15,425)	$ (86,659)	$ 24,013
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.42	$ 0.15	$ (0.22)	$ (2.12)	$ (1.94)	$ 1.51	$ (5.25)	$ (4.21)	$ (1.75)	$ (9.88)	$ 2.75
Diluted (in dollars per share)	$ 0.42	$ 0.15	$ (0.22)	$ (2.12)	$ (1.94)	$ 1.39	$ (5.25)	$ (4.21)	$ (1.75)	$ (9.88)	$ 2.54