Equity in Net Assets of Investee Companies - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 26, 2014	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016	Dec. 18, 2017	Aug. 21, 2017
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)				100.00%
Sales		$ 317,183	$ 232,145	$ 274,183
Gross profit		53,161	23,739	42,143
Net income		23,954	3,072	15,254
Company's dividends received		2,826	4,307	1,887
Current assets		162,893	139,146
Property, plant and equipment and other assets		53,941	54,674
Current liabilities		103,687	102,550
Long-term obligations and other liabilities		$ 5,067	7,432
Transcontinental Leaf Tobacco India Private Ltd. (India)
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)		49.00%
Siam Tobacco Export Company (Thailand)
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)		49.00%
Adams International Ltd. (Thailand)
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)		49.00%
Oryantal Tutun Paketleme
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)		50.00%
Purilum LLC
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)		50.00%
Additional E-Liquid Company
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)						40.00%
Investment basis difference		$ 2,336				$ 2,481
Reduction in net income resulting from amortization of basis difference		145
Criticality LLC
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)					40.00%
Brazilian Subsidiary
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)	49.00%
Ownership sold in equity method investment (as a percent)	51.00%
China Brasil Tobacos Exportadora SA
Schedule of Equity Method Investments [Line Items]
Ownership in equity method investment (as a percent)	49.00%
Investment basis difference	$ 15,990	8,586
Reduction in net income resulting from amortization of basis difference		1,518
Ownership sold in equity method investment (as a percent)	51.00%
Sales		200,609	146,070	172,140
Gross profit		32,989	13,704	30,567
Net income		16,575	3,464	14,369
Company's dividends received		1,812	4,307	$ 1,887
Current assets		108,050	82,953
Property, plant and equipment and other assets		6,208	4,903
Current liabilities		78,587	64,848
Long-term obligations and other liabilities		$ 176	$ 391
Minimum | China Brasil Tobacos Exportadora SA
Schedule of Equity Method Investments [Line Items]
Amortization period of basis difference of assets and liabilities		1 year
Maximum | China Brasil Tobacos Exportadora SA
Schedule of Equity Method Investments [Line Items]
Amortization period of basis difference of assets and liabilities		10 years