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Certain Transactions | 12 Months Ended
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Mar. 31, 2017
Related Party Transactions [Abstract] |
Certain Transactions Disclosure [Text Block] | 1 5. Related Party Transactions A small percentage (less than 1% in fiscal 2017, 2016 and 2015) of vegetables supplied t o the Company’s New York packag ing plants are grown by a director of Seneca Foods Corporation, which supplied the Company approximately $1.0 million, $1.0 million, and $0.8 million pursuant to a raw vegetabl e grower contract in fiscal 2017, 2016 and 2015, respectively. The Chairman of the Audit Committee reviewed the relationship and determined that the contract was negotiat ed at arm's length and on no more favorable terms than to other growers in the marketplace. During the year s ended March 31, 2017, 2016 and 2015, the Company made charitable contributions to a related party foundation in the amount of approximately $1.3 mi llion, $2.3 million a nd $2.2 million, respectively. The Foundation is a nonprofit entity that supports charitable activities by making grants to unrelated organizations or institutions. This Foundation is managed by current employees of the Company.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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