Debt Instrument, Basis Spread on Variable Rate, Fixed Component

No definition available.

Name:	pbh_DebtInstrumentBasisSpreadOnVariableRateFixedComponent
Namespace Prefix:	pbh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Basis Spread On Variable Rate, If Increased

+ References

No definition available.

+ Details

Name:	pbh_DebtInstrumentBasisSpreadOnVariableRateIfIncreased
Namespace Prefix:	pbh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Contingent Margin Step Down Per Annum, Interest Rate

+ References

No definition available.

+ Details

Name:	pbh_DebtInstrumentContingentMarginStepDownPerAnnumInterestRate
Namespace Prefix:	pbh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Covenant Terms, Temporary Suspension of Financial Reporting Covenant, Period

+ References

No definition available.

+ Details

Name:	pbh_DebtInstrumentCovenantTermsTemporarySuspensionofFinancialReportingCovenantPeriod
Namespace Prefix:	pbh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Discount, Percentage

+ References

No definition available.

+ Details

Name:	pbh_DebtInstrumentDiscountPercentage
Namespace Prefix:	pbh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Reference Rate Floor

+ References

No definition available.

+ Details

Name:	pbh_DebtInstrumentReferenceRateFloor
Namespace Prefix:	pbh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Variable Rate, Conditional Variable Rate

+ References

No definition available.

+ Details

Name:	pbh_DebtInstrumentVariableRateConditionalVariableRate
Namespace Prefix:	pbh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Conditional Commitment Fee Percentage

+ References

No definition available.

+ Details

Name:	pbh_LineOfCreditFacilityConditionalCommitmentFeePercentage
Namespace Prefix:	pbh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Increase in Borrowing Capacity

+ References

No definition available.

+ Details

Name:	pbh_LineOfCreditFacilityIncreaseInBorrowingCapacity
Namespace Prefix:	pbh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Increase in Accordion Feature

+ References

No definition available.

+ Details

Name:	pbh_LineofCreditFacilityIncreaseinAccordionFeature
Namespace Prefix:	pbh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_AblRevolver2012Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=pbh_FederalFundsRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_A2012ABLRevolverAmendment3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_ABLRevolverAmendment4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_ABLAmendmentNumber5Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_A2012ABLRevolverAmendment6Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_TermLoan2012Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_Amended2012TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_Amended22012TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_SeniorNotes2012Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_Amendment52012TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pbh_LoansPayableTermB3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pbh_Amendment32012TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pbh_LoansPayableTermB1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pbh_LoansPayableTermB2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pbh_LoansPayableTermB4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-Term Debt (Narrative 2012 Term Loan and 2012 ABL Revolver) (Details) - USD ($)								12 Months Ended
	Dec. 11, 2019	Mar. 21, 2018	Feb. 04, 2016	Jun. 09, 2015	Sep. 03, 2014	Feb. 21, 2013	Jan. 31, 2012	Mar. 31, 2020	Jan. 26, 2017	May 08, 2015
2012 ABL Revolver
Debt Instrument [Line Items]
Debt instrument, term	5 years
Line of credit facility, commitment fee (as percent)	0.25%
2012 ABL Revolver \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)	1.00%
2012 ABL Revolver \| LIBOR \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, if increased	1.25%
2012 ABL Revolver \| LIBOR \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, if increased	1.50%
2012 ABL Revolver \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)	0.00%
2012 ABL Revolver \| Base Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, if increased	0.25%
2012 ABL Revolver \| Base Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, if increased	0.50%
2012 ABL Revolver \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term							5 years
Line of credit facility, maximum borrowing capacity							$ 50,000,000.0	$ 135,000,000.0
Revolving credit facility, increase in borrowing capacity								$ 85,000,000.0
Debt instrument, interest rate, decrease (as percent)								0.25%
Line of credit facility, commitment fee (as percent)							0.50%
Line of credit facility, conditional commitment fee (as percent)								0.375%
Revolver increase in accordion feature				$ 35,000,000.0
Debt instrument, average interest rate (as percent)								4.00%
2012 ABL Revolver \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, fixed component (as percent)					1.00%
2012 ABL Revolver \| Revolving Credit Facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Debt instrument, conditional variable rate (as percent)					2.00%
2012 ABL Revolver \| Revolving Credit Facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Debt instrument, conditional variable rate (as percent)					2.25%
2012 ABL Revolver \| Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument, conditional variable rate (as percent)					1.00%
2012 ABL Revolver \| Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument, conditional variable rate (as percent)					1.25%
2012 ABL Revolver \| Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, fixed component (as percent)					0.50%
2012 ABL Revolver, Amendment No. 3 \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, increase in borrowing capacity					$ 40,000,000.0
ABL Revolver Amendment 4 \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term				5 years
ABL Amendment No. 5 \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, temporary suspension of financial reporting covenant, period			60 days
2012 ABL Revolver, Amendment No. 6 \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, increase in borrowing capacity									$ 40,000,000.0
Term Loans \| 2012 Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount							$ 660,000,000.0
Debt instrument, term							7 years
Debt instrument, discount (as percent)							1.50%
Proceeds from issuance of long-term debt							$ 650,100,000
Term Loans \| 2012 Term Loan, Amendment No. 1 \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)						2.75%
Debt instrument, reference rate floor (as percent)						1.00%
Term Loans \| 2012 Term Loan, Amendment No. 1 \| Base Rate
Debt Instrument [Line Items]
Debt instrument, reference rate floor (as percent)						2.00%
Term Loans \| 2012 Term Loan, Amendment No. 2
Debt Instrument [Line Items]
Debt instrument, reference rate floor (as percent)					1.00%
Term Loans \| 2012 Term Loan, Amendment No. 2 \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)					3.125%
Term Loans \| 2012 Term Loan, Amendment No. 2 \| Base Rate
Debt Instrument [Line Items]
Debt instrument, reference rate floor (as percent)					2.00%
Term Loans \| 2012 Senior Notes \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)								2.00%
Term Loans \| 2012 Senior Notes \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)								1.00%
Term Loans \| Term B-5 Loans \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)		2.00%
Debt instrument, reference rate floor (as percent)		0.00%
Term Loans \| Term B-5 Loans \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)		1.00%
Debt instrument, reference rate floor (as percent)		1.00%
2012 Term B-3 Loan \| 2012 Term Loan, Amendment No. 3
Debt Instrument [Line Items]
Debt instrument, face amount										$ 852,500,000
2012 Term B-1 Loan \| 2012 Term Loan, Amendment No. 3
Debt Instrument [Line Items]
Debt instrument, face amount										207,500,000
2012 Term B-2 Loan \| 2012 Term Loan, Amendment No. 2
Debt Instrument [Line Items]
Debt instrument, face amount					$ 720,000,000.0
2012 Term B-2 Loan \| 2012 Term Loan, Amendment No. 2 \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as percent)					3.50%
Debt instrument, reference rate floor (as percent)					1.00%
2012 Term B-2 Loan \| 2012 Term Loan, Amendment No. 2 \| Base Rate
Debt Instrument [Line Items]
Debt instrument, reference rate floor (as percent)					2.00%
Interest rate, contingent margin step-down per annum (as percent)					3.25%
2012 Term B-2 Loan \| 2012 Term Loan, Amendment No. 3
Debt Instrument [Line Items]
Debt instrument, face amount										$ 645,000,000.0
2012 Term B-4 Loans \| 2012 Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount									$ 1,427,000,000.0
Debt instrument, average interest rate (as percent)								4.60%