Related Parties - Additional Information (Detail) - Builders FirstSource, Inc [Member] - USD ($) $ in Millions	12 Months Ended
Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Related Party Transaction [Line Items]
Total net sales to Builders FirstSource	$ 25.9	$ 21.4	$ 21.9
Accounts receivable due from Builders FirstSource	$ 3.7	$ 1.9

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Name:	us-gaap_AccountsReceivableRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant