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Percentage of assets purchases in the business combination.

No definition available.

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Data Type:	dtr-types:percentItemType
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Period Type:	instant

Total revenue reported by the acquired entity for the trailing 12-months before the business acquisition.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Amount of net tangible assets acquired at the acquisition date.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Represents the amount of the Company's call right to purchase the remaining interest of acquired business.

No definition available.

Name:	ufpi_CallRight
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the amount of the Sellers put right to sell the remaining interest to the Company.

No definition available.

Name:	ufpi_SellersPutRight
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Data Type:	xbrli:monetaryItemType
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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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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-URI https://asc.fasb.org//1943274/2147482810/280-10-50-25

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

Name:	us-gaap_PaymentsToAcquireEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	dei_LegalEntityAxis=ufpi_PreviousOwnersOfDempseyWoodProductsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ufpi_DempseyWoodProductsLlcMember
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