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v3.20.1

BASIS OF PRESENTATION (Details) | Mar. 28, 2020 location
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BASIS OF PRESENTATION |
Plant locations closed due to COVID-19 | 3
Number of plant locations | 150

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- Definition Number of locations. + References No definition available. + Details
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Namespace Prefix: | ufpi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of locations that are temporarily closed. + References No definition available. + Details
Name: | ufpi_NumberOfTemporarilyClosedLocations
Namespace Prefix: | ufpi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration