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Warrant and Dividends (Detail Textuals) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended 0 Months Ended
Dec. 31, 2014
Aug. 01, 2014
Class A common stock    
Class of Stock [Line Items]    
Dividends per share, cash paid $ 0.10us-gaap_CommonStockDividendsPerShareCashPaid
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
 
Class B common stock    
Class of Stock [Line Items]    
Dividends per share, cash paid $ 0.10us-gaap_CommonStockDividendsPerShareCashPaid
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
 
Class B common stock | BFI Co., LLC ("BFI")    
Class of Stock [Line Items]    
Number of warrants to purchase common stock   387us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
/ dei_LegalEntityAxis
= pahc_BfiCoLlcMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
Exercise price   $ 11.83us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ dei_LegalEntityAxis
= pahc_BfiCoLlcMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
Net issuance of common stock   164us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= pahc_BfiCoLlcMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember