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Segment Information (narrative) (detail) | 12 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
Export [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales Percentage | 8.50% | 9.00% | 9.20%
Green Giant Vegetables [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales Percentage | 11.00% | 13.00% | 13.00%
Fruit And Vegetable Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets Percentage | 99.00% | 99.00% | 99.00%
Income Loss Fom Continuing Operations Before Income Taxes Percentage | 100.00% | 102.00% | 93.00%

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