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LONG-TERM DEBT (Details) (USD $)
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12 Months Ended | |||
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Jan. 31, 2015
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Mar. 03, 2014
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Feb. 01, 2014
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Sep. 16, 2013
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| Debt Instrument Additional Information | ||||
| Long-Term Debt | $ 757,000,000us-gaap_DebtInstrumentCarryingAmount | $ 769,800,000us-gaap_DebtInstrumentCarryingAmount | ||
| Current Portion of Long-Term Debt | 0us-gaap_LongTermDebtCurrent | 12,800,000us-gaap_LongTermDebtCurrent | ||
| Long-term debt, excluding current portion | 757,000,000us-gaap_LongTermDebtNoncurrent | 757,000,000us-gaap_LongTermDebtNoncurrent | ||
| 2017 Maturities | 200,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | |||
| 2018 Maturities | 1,400,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | |||
| 2019 Maturities | 1,400,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive | |||
| Maturities after 2019 | 754,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive | |||
| Long-Term Debt, by Maturity | ||||
| Demand Revenue Bond Debt Repayment | 12,800,000dltr_DemandRevenueBondDebtRepayment | |||
| Long-term Debt, Prepayment option at any time in amount not less than percent shown of the original aggregate amount | 5.00%dltr_LongtermDebtPrepaymentoptionatanytimeinamountnotlessthanpercentshownoftheoriginalaggregateamount | |||
| Long-term debt, prepayment option at a price equal to the sum of (a) 100% of the principal amount thereof, plus any accrued and unpaid interest | 100.00%dltr_Longtermdebtprepaymentoptionatapriceequaltothesumofa100oftheprincipalamountthereofplusanyaccruedandunpaidinterest | |||
| Debt Instrument, Interest Rate, Increase (Decrease) | 1.00%us-gaap_DebtInstrumentInterestRateIncreaseDecrease | |||
| Forgivable Promissory Note Repayment Period | 5 years | |||
| Senior Notes [Member] | ||||
| Debt Instrument Additional Information | ||||
| Long-Term Debt |
750,000,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
750,000,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| Long-Term Debt, by Maturity | ||||
| Aggregate principal amount |
750,000,000.0us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| Number of Long-term debt tranches |
3dltr_NumberofLongtermdebttranches / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| Unsecured Debt [Member] | ||||
| Debt Instrument Additional Information | ||||
| Long-Term Debt |
0us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
0us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
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| Long-Term Debt, by Maturity | ||||
| Revolving line of credit capacity |
750,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
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| Unsecured Credit Agreement maturity period | 5 years | |||
| Interest rate terms | LIBOR, plus 0.90% | |||
| Interest rate |
1.06%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
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| Borrowing capacity |
750,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
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| Demand Revenue Bonds [Member] | ||||
| Debt Instrument Additional Information | ||||
| Long-Term Debt |
0us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = dltr_DemandRevenueBondsMember |
12,800,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = dltr_DemandRevenueBondsMember |
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| Long-Term Debt, by Maturity | ||||
| Aggregate principal amount |
19,000,000.0us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = dltr_DemandRevenueBondsMember |
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| Interest rate |
0.19%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = dltr_DemandRevenueBondsMember |
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| Forgivable Loan [Member] | ||||
| Debt Instrument Additional Information | ||||
| Long-Term Debt |
7,000,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = dltr_ForgivableLoanMember |
7,000,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = dltr_ForgivableLoanMember |
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| Long-Term Debt, by Maturity | ||||
| Interest rate |
1.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = dltr_ForgivableLoanMember |
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| Line of Credit [Member] | ||||
| Long-Term Debt, by Maturity | ||||
| Revolving line of credit capacity |
750,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |
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| Available letter of credit capacity |
150,000,000.0dltr_LetterOfCreditFacilityIssuanceCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |
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| September 16, 2020 [Member] | Senior Notes [Member] | ||||
| Long-Term Debt, by Maturity | ||||
| Borrowing capacity |
300,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / dltr_LongTermDebtMaturityAxis = dltr_September162020Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| Debt Instrument, Interest Rate, Stated Percentage |
4.03%us-gaap_DebtInstrumentInterestRateStatedPercentage / dltr_LongTermDebtMaturityAxis = dltr_September162020Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| September 16, 2023 [Member] | Senior Notes [Member] | ||||
| Long-Term Debt, by Maturity | ||||
| Borrowing capacity |
350,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / dltr_LongTermDebtMaturityAxis = dltr_September162023Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| Debt Instrument, Interest Rate, Stated Percentage |
4.63%us-gaap_DebtInstrumentInterestRateStatedPercentage / dltr_LongTermDebtMaturityAxis = dltr_September162023Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| September 16, 2025 [Member] | Senior Notes [Member] | ||||
| Long-Term Debt, by Maturity | ||||
| Borrowing capacity |
100,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / dltr_LongTermDebtMaturityAxis = dltr_September162025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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| Debt Instrument, Interest Rate, Stated Percentage |
4.78%us-gaap_DebtInstrumentInterestRateStatedPercentage / dltr_LongTermDebtMaturityAxis = dltr_September162025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
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- Definition
Demand Revenue Bond Debt Repayment No definition available.
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- Definition
Forgivable Promissory Note Repayment Period No definition available.
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- Definition
Agreement for total dollar capacity of entity issuances by a financial institution of guarantees of payment to a beneficiary, or as the source of payment for a specific transaction (for example, wiring funds to a foreign exporter if and when specified merchandise is accepted pursuant to the terms of the letter of credit). No definition available.
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Long-term Debt, Prepayment option at any time in amount not less than percent shown of the original aggregate amount No definition available.
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Long-term debt, prepayment option at a price equal to the sum of (a) 100% of the principal amount thereof, plus any accrued and unpaid interest No definition available.
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Number of Long-term debt tranches No definition available.
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- Definition
Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Incremental percentage increase (decrease) in the stated rate on a debt instrument. No definition available.
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Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. No definition available.
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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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