STATEMENTS OF CONSOLIDATED OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Sales and other operating revenues	$ 1,845,966	$ 1,714,750	$ 1,904,592
Cost of goods and services sold	1,599,775	1,497,721	1,678,798
Gross profit	246,191	217,029	225,794
Selling, general, and administrative expenses	149,588	135,982	123,546
Other income	14,382	4,896	105,427
Restructuring and asset impairment charges	382	1,375	5,888
Operating income	110,603	84,568	201,787
Debt retirement expense (benefit)	(2,975)	(300)	0
Interest expense	132,978	132,667	117,190
Interest income	3,271	8,157	7,077
Income (loss) before income taxes and other items	(16,129)	(39,642)	91,674
Income tax (benefit) expense	(58,764)	23,480	32,215
Equity in net income (loss) of investee companies	9,271	(149)	5,986
Net income (loss)	51,906	(63,271)	65,445
Net loss attributable to noncontrolling interests	(530)	(343)	(87)
Net income (loss) attributable to Alliance One International, Inc.	$ 52,436	$ (62,928)	$ 65,532
Earnings (loss) per share:
Basic (USD per share)	$ 5.83	$ (7.05)	$ 7.38
Diluted (USD per share)	$ 5.81	$ (7.05)	$ 7.38