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Employee Benefit Plans - Change in Accumulated Other Comprehensive (Income) Loss (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Defined Benefit Plan Change In Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of period	$ 12,240	$ 17,630
Amortization of net actuarial loss (gain) and prior service cost	(904)	(1,405)	(251)
Current period net actuarial loss (gain)	5,326	(3,985)
Net change	4,423	(5,390)
Balance at end of period	$ 16,663	$ 12,240	$ 17,630

X

- Definition

Represents net change in accumulated other comprehensive income loss.

+ References

No definition available.

+ Details

Name:	pahc_DefinedBenefitPensionAndOtherPostretirementPlansAccumulatedOtherComprehensiveIncomeLossNetIncreaseDecreaseDuringPeriod
Namespace Prefix:	pahc_
Data Type:	xbrli:monetaryItemType
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

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

X

- Details

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

X

- Definition

The amount of current net actuarial gains or losses.

+ References

No definition available.

+ Details

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

X

- Definition

After tax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s).

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossAfterTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant