XML 73 R60.htm IDEA: XBRL DOCUMENT
v3.23.1

Note 8 - Retirement Plans (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2023 | Jan. 31, 2022
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement | $ (826) | $ (0)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent, Total | 100 |
Defined Benefit Plan, Expect Surplus Investment Balance | $ 900 |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% |
Defined Benefit Plan, Actual Return on Plan Assets Less Expected Return | $ 500 |
Other Comprehensive Income (Loss), Defined Benefit Plan, Actuarial Gain (Loss) Arising During Period, after Tax | (300) | 400
Other Comprehensive Income (Loss), Defined Benefit Plan, Actuarial Loss Arising During Period, after Tax | 500 | 100
Other Comprehensive Income (Loss), Defined Benefit Plan, Actuarial Gain Arising During Period, after Tax | $ 200 | 500
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate, Increase (Decrease) | 0.50% |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 100.00% |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 1.00% |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match, Payroll Deferral Contributions | 50.00% |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay, Payroll Deferral Contributions | 5.00% |
Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 300 | $ 300
Minimum [Member] |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 1.00% |
Maximum [Member] |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 16.00% |
Defined Benefit Plan, Cash [Member] |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% |
Other Nonoperating Income (Expense) [Member] |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement | $ 900 |

X
- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses less the amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. . + References No definition available. + Details
Name: | ppih_DefinedBenefitPlanActualReturnOnPlanAssetsLessExpectedReturn
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References No definition available. + Details
Name: | ppih_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateIncreaseDecrease
Namespace Prefix: | ppih_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents expect surplus investment balance for defined benefit plan. + References No definition available. + Details
Name: | ppih_DefinedBenefitPlanExpectSurplusInvestmentBalance
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching payroll deferral contribution to a defined contribution plan. + References No definition available. + Details
Name: | ppih_DefinedContributionPlanEmployerMatchingContributionPercentOfEmployeesGrossPayPayrollDeferralContributions
Namespace Prefix: | ppih_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of payroll deferral contributions employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | ppih_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchPayrollDeferralContributions
Namespace Prefix: | ppih_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after tax, of gain for decrease in value of benefit obligation for change in actuarial assumptions, that has not been recognized in net periodic benefit (cost) credit. + References No definition available. + Details
Name: | ppih_OtherComprehensiveIncomeLossDefinedBenefitPlanActuarialGainArisingDuringPeriodAfterTax
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions, that has not been recognized in net periodic benefit (cost) credit. + References No definition available. + Details
Name: | ppih_OtherComprehensiveIncomeLossDefinedBenefitPlanActuarialGainLossArisingDuringPeriodAfterTax
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after tax, of loss for increase in value of benefit obligation for change in actuarial assumptions, that has not been recognized in net periodic benefit (cost) credit. + References No definition available. + Details
Name: | ppih_OtherComprehensiveIncomeLossDefinedBenefitPlanLossActuarialArisingDuringPeriodAfterTax
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -URI https://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(7) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
Name: | us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=126929396&loc=SL4569643-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI https://asc.fasb.org/extlink&oid=126929396&loc=SL4569616-111683 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 + Details
Name: | us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanCashMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherNonoperatingIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |