XML 59 R42.htm IDEA: XBRL DOCUMENT
v3.8.0.1

COMMITMENTS AND CONTINGENCIES (Narrative) (Details) ft² in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Aug. 31, 2017 plantiff | Jul. 31, 2017 plantiff | Jun. 30, 2017 USD ($) | May 31, 2017 ft² option | Jun. 30, 2016 plantiff | Apr. 30, 2016 USD ($) | Feb. 03, 2018 USD ($) letter_of_credit
Operating Lease Commitments [Abstract] |  |  |  |  |  |  |
Expected future minimum sublease rentals |  |  |  |  |  |  | $ 900,000
Letters of Credit [Abstract] |  |  |  |  |  |  |
Letters of Credit Outstanding, Number | letter_of_credit |  |  |  |  |  |  | 3
Letter of Credit Reimbursement and Security Agreement capacity |  |  |  |  |  |  | $ 120,000,000
Second Letter of Credit Reimbursement and Security Agreement amount |  |  |  |  |  |  | 110,000,000
Third Letter of Credit Reimbursement and Security Agreement Amount |  |  |  |  |  |  | 100,000,000
Committed to letters of credit |  |  |  |  |  |  | 168,000,000
Stand-by letters of credit |  |  |  |  |  |  | 158,200,000
Surety Bonds [Abstract] |  |  |  |  |  |  |
Surety bonds |  |  |  |  |  |  | 86,200,000
Build-to-Suit Lease and Related Bonds |  |  |  |  |  |  |
Area of distribution center to be constructed under the Missouri Lease (sq ft) | ft² |  |  |  | 1.0 |  |  |
Number of options to extend the Missouri Lease term | option |  |  |  | 2 |  |  |
Term of optional extension to the Missouri Lease |  |  |  | 10 years |  |  |
Costs capitalized in construction in progress related to the Distribution Center Project |  |  |  |  |  |  | 53,700,000
Dollar Tree Resolved Matters |  |  |  |  |  |  |
Settlement received |  |  |  |  |  |  | 35,000,000
Failure To Reimburse Employees For Clothing Constituting Uniforms In Violation Of California Law [Member] |  |  |  |  |  |  |
Dollar Tree Resolved Matters |  |  |  |  |  |  |
Number of plaintiffs that have filed suit | plantiff |  | 2 |  |  |  |  |
Failure To Remit Overtime Compensation, Breaks, Accurate Wage Statements, And Final Pay Upon Termination [Member] |  |  |  |  |  |  |
Dollar Tree Resolved Matters |  |  |  |  |  |  |
Number of plaintiffs that have filed suit | plantiff | 43 |  |  |  |  |  |
Discriminatory Practices Case [Member] |  |  |  |  |  |  |
Dollar Tree Resolved Matters |  |  |  |  |  |  |
Number of plaintiffs that have filed suit | plantiff |  |  |  |  | 30,000 |  |
Minimum [Member] | Fair Credit Reporting Act Violation [Member] |  |  |  |  |  |  |
Dollar Tree/Family Dollar Active Matters |  |  |  |  |  |  |
Statutory damages sought by plaintiff per violation |  |  |  |  |  | $ 100 |
Maximum [Member] | Fair Credit Reporting Act Violation [Member] |  |  |  |  |  |  |
Dollar Tree/Family Dollar Active Matters |  |  |  |  |  |  |
Statutory damages sought by plaintiff per violation |  |  |  |  |  | $ 1,000 |
Telecom Contracts [Member] |  |  |  |  |  |  |
Communications and Information Technology [Abstract] |  |  |  |  |  |  |
Total commitment |  |  |  |  |  |  | $ 130,300,000
Settled Litigation [Member] | Suit Against Sycamore Partners And Dollar Express [Member] |  |  |  |  |  |  |
Dollar Tree Resolved Matters |  |  |  |  |  |  |
Damages sought (in excess of) |  |  | $ 52,000,000 |  |  |  |
Settlement received |  |  | 35,000,000 |  |  |  |
Sycamore Partners And Dollar Express LLC [Member] | Settled Litigation [Member] | Sycamore Partners And Dollar Express Countersuit Against Dollar Tree [Member] |  |  |  |  |  |  |
Dollar Tree Resolved Matters |  |  |  |  |  |  |
Damages sought (in excess of) |  |  | $ 500,000,000 |  |  |  |

X
- Definition Value of all commitments under letters of credit issued and outstanding at period end. + References No definition available. + Details
Name: | dltr_LettersOfCreditCommitment
Namespace Prefix: | dltr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Original dollar amount capacity established for letters of credit commitments under a letter of credit reimbursement and security agreement. + References No definition available. + Details
Name: | dltr_LettersOfCreditOriginalCapacity
Namespace Prefix: | dltr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Letters of Credit Outstanding, Number + References No definition available. + Details
Name: | dltr_LettersOfCreditOutstandingNumber
Namespace Prefix: | dltr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Additional dollar amount capacity established for letters of credit commitments under a letter of credit reimbursement and security agreement. + References No definition available. + Details
Name: | dltr_LettersOfCreditSecondLineCapacity
Namespace Prefix: | dltr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loss Contingency, Damages Sought, Value, Per Violation + References No definition available. + Details
Name: | dltr_LossContingencyDamagesSoughtValuePerViolation
Namespace Prefix: | dltr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number Of Options To Extend Ground Lease + References No definition available. + Details
Name: | dltr_NumberOfOptionsToExtendGroundLease
Namespace Prefix: | dltr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Operating Lease Commitments [Abstract] + References No definition available. + Details
Name: | dltr_OperatingLeaseCommitmentsAbstract
Namespace Prefix: | dltr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Option To Extend Ground Lease, Term Of Optional Extension + References No definition available. + Details
Name: | dltr_OptionToExtendGroundLeaseTermOfOptionalExtension
Namespace Prefix: | dltr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Outstanding stand-by letters of credit used as collateral for the company's self-insurance program. + References No definition available. + Details
Name: | dltr_StandByLettersOfCreditCommitment
Namespace Prefix: | dltr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Bonds issued primarily to serve as collateral for utility payments at the company's stores. + References No definition available. + Details
Name: | dltr_SuretyBonds
Namespace Prefix: | dltr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Surety Bonds [Abstract] + References No definition available. + Details
Name: | dltr_SuretyBondsAbstract
Namespace Prefix: | dltr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Additional dollar amount capacity established for letters of credit commitments under a letter of credit reimbursement and security agreement. + References No definition available. + Details
Name: | dltr_ThirdLetterofCreditReimbursementandSecurityAgreementAmount
Namespace Prefix: | dltr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommunicationsAndInformationTechnologyAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_ConstructionInProgressGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_GroundLeasesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of land subject to a ground lease. + References No definition available. + Details
Name: | us-gaap_LandSubjectToGroundLeases
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount awarded from other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LossContingencyAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LossContingencySettlementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractually required future rental payments receivable on noncancelable subleasing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
Name: | us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77896938&loc=d3e25336-109308 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LitigationCaseAxis=dltr_FailureToReimburseEmployeesForClothingConstitutingUniformsInViolationOfCaliforniaLawMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=dltr_FailureToRemitOvertimeCompensationBreaksAccurateWageStatementsAndFinalPayUponTerminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=dltr_DiscriminatoryPracticesCaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=dltr_FairCreditReportingActViolationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=dltr_TelecommunicationContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_SettledLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=dltr_SuitAgainstSycamorePartnersAndDollarExpressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=dltr_SycamorePartnersAndDollarExpressLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=dltr_SycamorePartnersAndDollarExpressCountersuitAgainstDollarTreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |