Restatement of Previously Issued Consolidated Financial Statements - Adjustments for Error Corrections in Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Mar. 31, 2014
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade and other receivables, net	$ 173,223	$ 193,370	$ 177,942
Inventories	885,897	740,943	993,678
Total current assets	1,427,269	1,217,095	1,500,708
Investments in unconsolidated affiliates	54,508	54,694	51,457
Deferred income taxes, net	30,899	33,155	40,878
Total assets	1,831,686	1,626,646	1,950,261
Accounts payable	78,147	73,349	89,054
Income taxes	9,470	12,694	8,521
Total current liabilities	660,490	584,424	798,334
Deferred income taxes	1,478	3,498	7,850
Liability for unrecognized tax benefits	10,522	11,011	12,511
Pension, postretirement and other long-term liabilities	89,301	91,502	79,969
Retained deficit	(234,134)	(208,184)	(205,739)
Accumulated other comprehensive loss	(62,854)	(66,386)	(37,704)	$ (38,326)
Total stockholders' equity of Alliance One International, Inc.	172,369	193,994	222,824
Total equity	175,836	197,268	226,174	248,597
Total liabilities and stockholders' equity	1,831,686	1,626,646	1,950,261
Inventory Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade and other receivables, net	0		0
Inventories	(40,121)		(20,735)
Total current assets	(40,121)		(20,735)
Investments in unconsolidated affiliates	0		0
Deferred income taxes, net	0		0
Total assets	(40,121)		(20,735)
Accounts payable	0		0
Income taxes	(2,196)		7,131
Total current liabilities	(2,196)		7,131
Deferred income taxes	0		0
Liability for unrecognized tax benefits	0		0
Pension, postretirement and other long-term liabilities	0		0
Retained deficit	(37,925)		(27,866)
Accumulated other comprehensive loss	0		0
Total stockholders' equity of Alliance One International, Inc.	(37,925)		(27,866)
Total equity	(37,925)	(31,643)	(27,866)	(17,744)
Total liabilities and stockholders' equity	(40,121)		(20,735)
Receivables Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade and other receivables, net	(4,536)		(8,918)
Inventories	0		0
Total current assets	(4,536)		(8,918)
Investments in unconsolidated affiliates	0		0
Deferred income taxes, net	0		0
Total assets	(4,536)		(8,918)
Accounts payable	0		0
Income taxes	20		(3,438)
Total current liabilities	20		(3,438)
Deferred income taxes	0		0
Liability for unrecognized tax benefits	0		0
Pension, postretirement and other long-term liabilities	0		0
Retained deficit	(4,556)		(5,480)
Accumulated other comprehensive loss	0		0
Total stockholders' equity of Alliance One International, Inc.	(4,556)		(5,480)
Total equity	(4,556)	(7,277)	(5,480)	(8,772)
Total liabilities and stockholders' equity	(4,536)		(8,918)
Other Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade and other receivables, net	0		0
Inventories	0		0
Total current assets	0		0
Investments in unconsolidated affiliates	0		530
Deferred income taxes, net	1,505		0
Total assets	1,505		530
Accounts payable	389		0
Income taxes	1,906		(4,791)
Total current liabilities	2,295		(4,791)
Deferred income taxes	(3,749)		2,098
Liability for unrecognized tax benefits	2,296		2,985
Pension, postretirement and other long-term liabilities	0		250
Retained deficit	663		213
Accumulated other comprehensive loss	0		(225)
Total stockholders' equity of Alliance One International, Inc.	663		(12)
Total equity	663	(76)	(12)	(1,775)
Total liabilities and stockholders' equity	1,505		530
As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Trade and other receivables, net	177,759		186,860
Inventories	926,018		1,014,413
Total current assets	1,471,926		1,530,361
Investments in unconsolidated affiliates	54,508		50,927
Deferred income taxes, net	29,394		40,878
Total assets	1,874,838		1,979,384
Accounts payable	77,758		89,054
Income taxes	9,740		9,619
Total current liabilities	660,371		799,432
Deferred income taxes	5,227		5,752
Liability for unrecognized tax benefits	8,226		9,526
Pension, postretirement and other long-term liabilities	89,301		79,719
Retained deficit	(192,316)		(172,606)
Accumulated other comprehensive loss	(62,854)		(37,479)
Total stockholders' equity of Alliance One International, Inc.	214,187		256,182
Total equity	217,654	$ 236,264	259,532	$ 276,888
Total liabilities and stockholders' equity	$ 1,874,838		$ 1,979,384