XML 71 R55.htm IDEA: XBRL DOCUMENT
v3.24.0.1

BUSINESS ACQUISITIONS - Predecessor's Acquisitions (Details) - USD ($) $ in Millions | Jul. 01, 2021 | Apr. 01, 2021 | Mar. 02, 2021
--- | --- | --- | ---
Magnum |  |  |
Business Acquisition [Line Items] |  |  |
Payments to acquire assets | $ 1.2 |  |
Goodwill written off related to predecessor | $ 1.2 |  |
PC Australasia |  |  |
Business Acquisition [Line Items] |  |  |
Payments to acquire assets |  | $ 2.7 |
Goodwill written off related to predecessor |  | $ 1.0 |
Budenheim Iberica, S.L.U |  |  |
Business Acquisition [Line Items] |  |  |
Payments to acquire assets |  |  | $ 3.6
Goodwill written off related to predecessor |  |  | $ 3.2

X
- Definition Goodwill Written Off Related To Predecessor + References No definition available. + Details
Name: | prm_GoodwillWrittenOffRelatedToPredecessor
Namespace Prefix: | prm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments For Asset Acquisitions + References No definition available. + Details
Name: | prm_PaymentsForAssetAcquisitions
Namespace Prefix: | prm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-5 + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=prm_MagnumFireSafetySystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=prm_PCAustralasiaPtyLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=prm_BudenheimIbericaSLUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |