Debt Instrument, Borrowing Base, Accounts Receivable

No definition available.

Name:	farm_DebtInstrumentBorrowingBaseAccountsReceivable
Namespace Prefix:	farm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Borrowing Base, Inventory

+ References

No definition available.

+ Details

Name:	farm_DebtInstrumentBorrowingBaseInventory
Namespace Prefix:	farm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Borrowing Base, Net Orderly Liquidation

+ References

No definition available.

+ Details

Name:	farm_DebtInstrumentBorrowingBaseNetOrderlyLiquidation
Namespace Prefix:	farm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Borrowing Base, Qualified Cash And Borrower's Availability

+ References

No definition available.

+ Details

Name:	farm_DebtInstrumentBorrowingBaseQualifiedCashAndBorrowersAvailability
Namespace Prefix:	farm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Instrument Covenant Capital Expenditure Maximum

+ References

No definition available.

+ Details

Name:	farm_DebtInstrumentCovenantCapitalExpenditureMaximum
Namespace Prefix:	farm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Instrument, Covenant, Fixed Charge Coverage Ratio Required, Minimum

+ References

No definition available.

+ Details

Name:	farm_DebtInstrumentCovenantFixedChargeCoverageRatioRequiredMinimum
Namespace Prefix:	farm_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Liability Due At Close

+ References

No definition available.

+ Details

Name:	farm_DebtInstrumentLiabilityDueAtClose
Namespace Prefix:	farm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Derivative, Fixed Interest Rate Increase During Period

+ References

No definition available.

+ Details

Name:	farm_DerivativeFixedInterestRateIncreaseDuringPeriod
Namespace Prefix:	farm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line Of Credit Facility Quarterly Commitment Reduction

+ References

No definition available.

+ Details

Name:	farm_LineOfCreditFacilityQuarterlyCommitmentReduction
Namespace Prefix:	farm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFloorInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

+ Details

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- 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

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

+ Details

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

- 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_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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

+ Details

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

- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ 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 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600

+ Details

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

- Definition

Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from discontinuance of cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

+ Details

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

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
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_MaximumMember
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_DebtInstrumentAxis=farm_AmendedCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=farm_JpMorganChaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt Obligations (Details) - USD ($)		3 Months Ended	9 Months Ended
Debt Obligations (Details) - USD ($)	Apr. 26, 2021	Mar. 31, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 27, 2019
Line of Credit Facility
Long-term Line of Credit, Noncurrent		$ 88,000,000	$ 88,000,000	$ 122,000,000
Line of credit, commitment fee percent			0.50%
Debt Instrument, Covenant, Fixed Charge Coverage Ratio Required, Minimum			1.05
Debt Instrument, Borrowing Base, Accounts Receivable			85.00%
Debt Instrument, Borrowing Base, Inventory			50.00%
Debt Instrument, Liability Due At Close		3,700,000	$ 3,700,000
Minimum \| Prime Rate [Member]
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate			3.50%
Minimum \| London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate			4.50%
Maximum \| Prime Rate [Member]
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate			4.50%
Maximum \| London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate			5.50%
Revolving Credit Facility
Line of Credit Facility
Long-term Line of Credit, Noncurrent		$ 88,000,000	$ 88,000,000	$ 122,000,000
Debt, Weighted Average Interest Rate		6.41%	6.41%	4.91%
Amended Credit Agreement \| Revolving Credit Facility
Line of Credit Facility
Line of credit, maximum borrowing capacity		$ 125,000,000.0	$ 125,000,000.0
Line Of Credit Facility Quarterly Commitment Reduction		5,000,000.0	5,000,000.0
Amount outstanding		4,300,000	4,300,000
Amended Credit Agreement Third Amendment
Line of Credit Facility
Debt Instrument Covenant Capital Expenditure Maximum		25,000,000.0	$ 25,000,000.0
Revolver Security Agreement
Line of Credit Facility
Debt Instrument, Borrowing Base, Inventory			80.00%
Debt Instrument, Borrowing Base, Net Orderly Liquidation			85.00%
Revolver Security Agreement \| Subsequent Event
Line of Credit Facility
Debt Instrument, Borrowing Base, Accounts Receivable	85.00%
Revolver Security Agreement \| Prime Rate [Member] \| Subsequent Event
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	1.25%
Revolver Security Agreement \| Minimum \| London Interbank Offered Rate (LIBOR) [Member] \| Subsequent Event
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	0.50%
Revolver Security Agreement \| Maximum \| London Interbank Offered Rate (LIBOR) [Member] \| Subsequent Event
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	2.25%
Revolver Security Agreement \| Revolving Credit Facility \| Subsequent Event
Line of Credit Facility
Line of credit, maximum borrowing capacity	$ 80,000,000.0
Revolver Security Agreement \| Sublimit \| Subsequent Event
Line of Credit Facility
Line of credit, maximum borrowing capacity	$ 10,000,000.0
Term Credit Facility Agreement \| Minimum \| Prime Rate [Member] \| Subsequent Event
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	3.00%
Term Credit Facility Agreement \| Maximum \| Prime Rate [Member] \| Subsequent Event
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	5.50%
Term Credit Facility Agreement \| Maximum \| London Interbank Offered Rate (LIBOR) [Member] \| Subsequent Event
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	6.50%
Term Credit Facility Agreement \| Revolving Credit Facility \| Subsequent Event
Line of Credit Facility
Line of credit, maximum borrowing capacity	$ 47,500,000
Debt Instrument, Borrowing Base, Qualified Cash And Borrower's Availability	$ 15,000,000.0
JP Morgan Chase \| JPM Chase Loan Agreement \| Swing Line Loans
Line of Credit Facility
Line of credit, maximum borrowing capacity		15,000,000.0	$ 15,000,000.0
Interest Rate Swap
Line of Credit Facility
Derivative, Notional Amount		$ 65,000,000.0	$ 65,000,000.0		$ 80,000,000.0
Derivative, Fixed Interest Rate		2.1975%	2.1975%
Interest Rate Swap \| Subsequent Event
Line of Credit Facility
Derivative, Fixed Interest Rate	2.4725%
Derivative, Fixed Interest Rate Increase During Period	0.275%
Interest Rate Swap \| Minimum
Line of Credit Facility
Derivative, Floor Interest Rate		0.00%	0.00%
Interest Rate Swap \| Interest Expense
Line of Credit Facility
Other Comprehensive Income (Loss), Cash Flow Hedge, Reclassification for Discontinuance, before Tax		$ 320,000	$ 960,000