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Stock Incentive Plan (Detail Textuals) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
May 31, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Mar. 31, 2008
Stock Option |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted average remaining contractual life |  | 8 months 12 days |  |
Aggregate intrinsic value |  | $ 3,282 |  |
Number of shares granted by PAHC's Compensation Committee |  | 95,900 | 577,640 |
Stock Option | 2008 Incentive Plan (the "Incentive Plan") |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock options, stock awards and other incentives authorized amount |  |  |  | 6,630,000
Stock Option | 2008 Incentive Plan (the "Incentive Plan") | Class A common stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares available for grant |  | 4,881,620 |  |
Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares granted by PAHC's Compensation Committee | 250,000 |  |  |
Percentage of risk-free rate of return |  | 2.59% |  |
Percentage of expected volatility |  | 31.94% |  |
Percentage of expected dividend yield |  | 0.95% |  |
Stock-based compensation expense current year |  | $ 334 |  |
Expected stock-based compensation expense in 2019 |  | 2,259 |  |
Expected stock-based compensation expense in 2020 |  | 2,259 |  |
Expected stock-based compensation expense in 2021 |  | $ 1,129 |  |
Restricted Stock Units (RSUs) | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of vest increments under restricted stock units on the 90-day average | 15.00% |  |  |
Share price | $ 30 |  |  |
Restricted Stock Units (RSUs) | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of vest increments under restricted stock units on the 90-day average | 100.00% |  |  |
Share price | $ 80 |  |  |

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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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