Document and Entity Information - shares |
3 Months Ended | |
|---|---|---|
May 05, 2018 |
Jun. 06, 2018 |
|
| Document and Entity Information [Abstract] | ||
| Document Type | 10-Q | |
| Amendment Flag | false | |
| Document Period End Date | May 05, 2018 | |
| Document Fiscal Year Focus | 2018 | |
| Document Fiscal Period Focus | Q1 | |
| Trading Symbol | FIVE | |
| Entity Registrant Name | Five Below, Inc. | |
| Entity Central Index Key | 0001177609 | |
| Current Fiscal Year End Date | --02-02 | |
| Entity Filer Category | Large Accelerated Filer | |
| Entity Common Stock, Shares Outstanding | 55,630,133 |