XML 43 R26.htm IDEA: XBRL DOCUMENT
v3.25.1

Insider Trading Arrangements | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 02, 2025 shares | Feb. 02, 2025 shares
Trading Arrangements, by Individual |  |
Non-Rule 10b5-1 Arrangement Adopted | false |
Rule 10b5-1 Arrangement Terminated | false |
Non-Rule 10b5-1 Arrangement Terminated | false |
Laura K. Schneider [Member] |  |
Trading Arrangements, by Individual |  |
Material Terms of Trading Arrangement |  | Laura K. Schneider, Chief Human Resources Officer, adopted a new trading arrangement on January 3, 2025 providing for the sale of up to 195,695 aggregate shares of the Company’s Class A common stock between April 14, 2025 and October 14, 2025.
Name | Laura K. Schneider |
Title | Chief Human Resources Officer |
Rule 10b5-1 Arrangement Adopted | true |
Adoption Date | January 3, 2025 |
Expiration Date | October 14, 2025 |
Arrangement Duration | 183 days |
Aggregate Available | 195,695 | 195,695
Jeffrey D. Giles [Member] |  |
Trading Arrangements, by Individual |  |
Material Terms of Trading Arrangement |  | The Jeffrey D. Giles Revocable Trust dated May 18, 2022, affiliated with Jeffrey D. Giles, EVP Corporate Development, adopted a new trading arrangement on December 31, 2024 providing for the sale of up to 40,000 aggregate shares of the Company’s Class A common stock between April 4, 2025 and October 3, 2025.
Name | Jeffrey D. Giles |
Title | EVP Corporate Development |
Rule 10b5-1 Arrangement Adopted | true |
Adoption Date | December 31, 2024 |
Expiration Date | October 3, 2025 |
Arrangement Duration | 184 days |
Aggregate Available | 40,000 | 40,000
John W. Stephens [Member] |  |
Trading Arrangements, by Individual |  |
Material Terms of Trading Arrangement |  | John W. Stephens, Vice President, Corporate Controller, adopted a new trading arrangement on December 18, 2024 providing for the sale of up to 83,927 aggregate shares of the Company’s Class A common stock between March 20, 2025 and September 19, 2025.
Name | John W. Stephens |
Title | Vice President, Corporate Controller |
Rule 10b5-1 Arrangement Adopted | true |
Adoption Date | December 18, 2024 |
Expiration Date | September 19, 2025 |
Arrangement Duration | 91 days |
Aggregate Available | 83,927 | 83,927

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_MtrlTermsOfTrdArrTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TradingArrByIndTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrAdoptionDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph C + Details
Name: | ecd_TrdArrDuration
Namespace Prefix: | ecd_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph C + Details
Name: | ecd_TrdArrExpirationDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndName
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndTitle
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph D + Details
Name: | ecd_TrdArrSecuritiesAggAvailAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ecd_IndividualAxis=cnm_LauraK.SchneiderMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=cnm_JeffreyD.GilesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=cnm_JohnW.StephensMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |