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Employee Benefit Plans - Change in Accumulated Other Comprehensive (Income) Loss (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Defined Benefit Plan Change In Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of period	$ 16,663	$ 12,240
Amortization of net actuarial loss (gain) and prior service cost	(1,405)	(903)	$ (1,405)
Current period net actuarial loss (gain)	4,626	5,326
Net change	3,221	4,423
Balance at end of period	$ 19,884	$ 16,663	$ 12,240

X

- Definition

Represents net change in accumulated other comprehensive income loss.

+ References

No definition available.

+ Details

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Namespace Prefix:	pahc_
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Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of net actuarial gains or losses and the prior service cost recognized in net periodic benefit cost.

+ References

No definition available.

+ Details

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Namespace Prefix:	pahc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Namespace Prefix:	pahc_
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Balance Type:	na
Period Type:	duration

X

- Definition

The amount of current net actuarial gains or losses.

+ References

No definition available.

+ Details

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Namespace Prefix:	pahc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The pretax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 220



-SubTopic 10



-Section 45



-Paragraph 10A



-Subparagraph (i)



-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 715



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (j)



-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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