XML 45 R34.htm IDEA: XBRL DOCUMENT v3.19.1

SEGMENT REPORTING - NARRATIVE (Details)	Mar. 30, 2019 item
SEGMENT REPORTING
Number of markets in which the entity operates (in markets)	3

X

- Definition

Number of Markets in which the Entity Operates.

+ References

No definition available.

+ Details

Name:	ufpi_NumberOfMarketsInWhichEntityOperates
Namespace Prefix:	ufpi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration