Document and Entity Information - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Feb. 22, 2018 |
Jun. 30, 2017 |
|
| Document and Entity Information [Abstract] | |||
| Document Type | 10-K | ||
| Amendment Flag | false | ||
| Document Period End Date | Dec. 31, 2017 | ||
| Document Fiscal Year Focus | 2017 | ||
| Document Fiscal Period Focus | FY | ||
| Trading Symbol | VEC | ||
| Entity Registrant Name | Vectrus, Inc. | ||
| Entity Central Index Key | 0001601548 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Entity Filer Category | Accelerated Filer | ||
| Entity Common Stock, Shares Outstanding | 11,120,528 | ||
| Entity Current Reporting Status | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Public Float | $ 353,018,852 |