XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.23.1

Acquisitions - Schedule of Intangible Assets Value on Purchase Price (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
May 31, 2022 | Mar. 31, 2023
Customer Relationships |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization Period (in years) |  | 9 years
Customer Relationships | Xator Corporation |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 37,000 |
Amortization Period (in years) | 15 years |
Backlog |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization Period (in years) |  | 4 years
Backlog | Xator Corporation |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 81,000 |
Amortization Period (in years) | 6 years |
Trade Names |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization Period (in years) |  | 1 year
Trade Names | Xator Corporation |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 4,000 |
Amortization Period (in years) | 1 year |
Developed Technologies |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization Period (in years) |  | 5 years
Developed Technologies | Xator Corporation |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 1,000 |
Amortization Period (in years) | 3 years |
Noncompete Agreements |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization Period (in years) |  | 3 years
Noncompete Agreements | Xator Corporation |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 500 |
Amortization Period (in years) | 3 years |

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_AcquiredFiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=psn_XatorCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OrderOrProductionBacklogMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |