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EMPLOYEE BENEFIT PLANS (Tables) | 12 Months Ended
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Jan. 30, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
Defined Contribution Plan Expenses Table | Contributions to and reimbursements by the Company of expenses of the plans in the accompanying consolidated income statements were as follows:
|  | Year Ended
|  | February 3, |  | January 28, |  | January 30,
(in millions) |  | 2018 |  | 2017 |  | 2016
Dollar Tree Retirement Savings Plan, formerly Dollar Tree Inc. Affiliates and Subsidiaries Profit Sharing and 401(k) Retirement Plan |  | $ | 52.9 |  |  | $ | 39.9 |  |  | $ | 36.6 |
Family Dollar Employee Savings and Retirement Plan and Trust |  | — |  |  | 9.2 |  |  | 6.2 |
Total |  | $ | 52.9 |  |  | $ | 49.1 |  |  | $ | 42.8 |
Defined Contribution Plan Vesting Schedule Table | Eligible employees vest in the Company’s profit sharing contributions based on the following schedule:
Ÿ | 20% after two years of service
Ÿ | 40% after three years of service
Ÿ | 60% after four years of service
Ÿ | 100% after five years of service

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