Debt (Detail Textuals) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2015	Jun. 30, 2015
Debt Instrument [Line Items]
Outstanding borrowings	$ 20,500	$ 3,000
Credit Agreement \| Term B Loan
Debt Instrument [Line Items]
Weighted-average interest rates	4.00%
Credit Agreement \| Term B Loan \| LIBOR
Debt Instrument [Line Items]
Applicable interest rates	3.00%
Applicable floor rates	1.00%
Credit Agreement \| Term B Loan \| Base Rate
Debt Instrument [Line Items]
Applicable interest rates	2.00%
Credit Agreement \| Revolver
Debt Instrument [Line Items]
Covenant requirement, maximum permitted ratio	4.25:1.00
Outstanding borrowings	$ 20,500
Outstanding letters of credit	14,008
Available borrowings under credit lines	$ 65,492
Weighted-average interest rates	2.69%
Credit Agreement \| Revolver \| LIBOR
Debt Instrument [Line Items]
Interest rate, description	2.50% or 2.75%
Credit Agreement \| Revolver \| Base Rate
Debt Instrument [Line Items]
Interest rate, description	1.50% or 1.75%
Credit Agreement \| Credit Facilities \| LIBOR
Debt Instrument [Line Items]
Basis for effective rate	a Eurocurrency rate determined by reference to LIBOR
Credit Agreement \| Credit Facilities \| Base Rate
Debt Instrument [Line Items]
Basis for effective rate	a base rate determined by reference to the highest of (a) the rate as publicly announced from time to time by Bank of America as its "prime rate," (b) the federal funds effective rate plus 0.50% and (c) one-month LIBOR plus 1.00%.

Represents the effective floor interest rate at the end of the reporting period.

No definition available.

Name:	pahc_DebtInstrumentFloorInterestRate
Namespace Prefix:	pahc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents maximum covenant ratio permitted.

+ References

No definition available.

+ Details

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Namespace Prefix:	pahc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of any adjustments made to the stated rate to determine the effective rate.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 45

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=28361426&loc=d3e1314-112600

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 45

-Paragraph 14

-URI http://asc.fasb.org/extlink&oid=28361426&loc=d3e1336-112600

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
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- Details

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