XML 43 R30.htm IDEA: XBRL DOCUMENT
v3.20.2

Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 168,715 | $ 189,111 | $ 346,133 | $ 359,030
Repair |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 16,848 | 29,560 | 49,656 | 54,994
Distribution |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 86,595 | 79,242 | 165,071 | 154,882
Cost Plus Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 23,307 | 33,496 | 42,988 | 61,336
Fixed Price Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 36,079 | 19,153 | 74,995 | 39,020
T&M Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 5,886 | 27,660 | 13,423 | 48,798
DoD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 64,887 | 75,080 | 129,021 | 137,781
Other government |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 63,666 | 54,855 | 109,656 | 108,514
Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 40,162 | 59,176 | 107,456 | 112,735
Aviation |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 32,221 | 54,997 | 90,301 | 104,367
Aviation | Repair |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 16,848 | 29,560 | 49,656 | 54,994
Aviation | Distribution |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 15,373 | 25,437 | 40,645 | 49,373
Aviation | Cost Plus Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Aviation | Fixed Price Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Aviation | T&M Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Aviation | DoD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 837 | 260 | 837 | 1,155
Aviation | Other government |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 214 | 651 | 244 | 651
Aviation | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 31,170 | 54,086 | 89,220 | 102,561
Fleet |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 71,222 | 53,805 | 124,426 | 105,509
Fleet | Repair |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Fleet | Distribution |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 71,222 | 53,805 | 124,426 | 105,509
Fleet | Cost Plus Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Fleet | Fixed Price Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Fleet | T&M Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Fleet | DoD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 5,095 | 6,461 | 9,662 | 11,303
Fleet | Other government |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 57,602 | 42,254 | 97,417 | 85,136
Fleet | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 8,525 | 5,090 | 17,347 | 9,070
Federal and Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 65,272 | 80,309 | 131,406 | 149,154
Federal and Defense | Repair |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Federal and Defense | Distribution |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Federal and Defense | Cost Plus Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 23,307 | 33,496 | 42,988 | 61,336
Federal and Defense | Fixed Price Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 36,079 | 19,153 | 74,995 | 39,020
Federal and Defense | T&M Contract |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 5,886 | 27,660 | 13,423 | 48,798
Federal and Defense | DoD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 58,955 | 68,359 | 118,522 | 125,323
Federal and Defense | Other government |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 5,850 | 11,950 | 11,995 | 22,727
Federal and Defense | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 467 | $ 0 | $ 889 | $ 1,104

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ContractWithCustomerBasisOfPricingAxis=vsec_PropertyRepairMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerBasisOfPricingAxis=vsec_PropertyDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerBasisOfPricingAxis=vsec_CostTypeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerBasisOfPricingAxis=us-gaap_FixedPriceContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerBasisOfPricingAxis=us-gaap_TimeAndMaterialsContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=vsec_DepartmentofDefenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=vsec_OtherGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=vsec_CommercialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsec_AviationAcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsec_SupplyChainManagementGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsec_FederalGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |