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Contingencies And Commitments (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended |  | 1 Months Ended |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2012 | Mar. 31, 2012 | Jun. 30, 2011 | Sep. 30, 2011 Boarhead Farms [Member] | Jun. 30, 2011 Boarhead Farms [Member] | Aug. 18, 2008 Boarhead Farms [Member] | Mar. 31, 2012 Duty Drawback [Member] | Jun. 30, 2008 Export Regulations Violations [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Increase (decrease) in environmental remediation liability | $ 0 | $ 0 |  |  |  |  |  |
Environmental remediation liability | 5.1 | 5.1 | 4.9 |  |  |  |  |
Percentage of past remediating costs including prejudgment interest |  |  |  |  |  | 80.00% |  |
Percentage of future remediating costs |  |  |  |  |  | 80.00% |  |
Contingent liability |  |  |  |  | 21.8 |  |  |
Settlement offer |  |  |  |  |  |  | 1.1 |
Advance payments for settlement |  |  |  |  |  |  | 1.1 |
Settlement agreement, consideration value |  | $ 21.8 |  | $ 21.8 |  |  |  |
Foreign nationals employed, exposed to protected technical data |  |  |  |  |  |  |  | 40

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- Definition The estimated aggregate undiscounted amount of the accrual for environmental loss contingencies as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 96-1 -Paragraph 161 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q1) -URI http://asc.fasb.org/extlink&oid=6572457&loc=d3e149879-122751 + Details
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- Definition The Increase or Decrease in the accrual for environmental loss in the period from revisions in estimates to existing obligations. The amount does not relate to changes in the environmental accrual related to business acquisitions or divestitures, or to currency movements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=6572457&loc=d3e149879-122751 + Details
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