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Commitments and Contingencies (Detail Textuals) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2012 Party | Dec. 31, 2014 | Jun. 30, 2014
Commitments And Contingencies [Line Items] |  |  |
Number of potentially responsible parties | 140 pahc_NumberOfPotentiallyResponsibleParties |  |
Current And Long term Liabilities |  |  |
Commitments And Contingencies [Line Items] |  |  |
Accrual for environmental loss contingencies payments |  | $ 6,984 us-gaap_AccrualForEnvironmentalLossContingenciesPayments / us-gaap_BalanceSheetLocationAxis = pahc_CurrentAndLongTermLiabilitiesMember | $ 7,273 us-gaap_AccrualForEnvironmentalLossContingenciesPayments / us-gaap_BalanceSheetLocationAxis = pahc_CurrentAndLongTermLiabilitiesMember

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- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents number of parties. + References No definition available. + Details
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Namespace Prefix: | pahc_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition The aggregate amount disbursed during the reporting period to settle environmental loss contingencies. + 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=27011672&loc=d3e149879-122751 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |