Business Combinations - Assets Acquired and Liabilities Assumed D.L. Building Materials (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2021	Apr. 30, 2022	Feb. 01, 2021
Business Acquisition [Line Items]
Goodwill	$ 576,330	$ 695,897
D.L. Building Materials Inc.
Business Acquisition [Line Items]
Cash and cash equivalents	4,179		$ 4,179
Trade accounts and notes receivable	8,301		8,325
Adjustments, Trade accounts and notes receivable	(24)
Inventories	5,067		5,075
Adjustments, Inventories	(8)
Prepaid and other current assets	675		675
Property and equipment	2,721		2,721
Operating lease right-of-use assets	1,103		1,103
Goodwill	9,084		9,084
Liabilities assumed	(12,327)		(12,282)
Adjustments, Liabilities assumed	(45)
Deferred income taxes	(2,830)		(2,830)
Fair value of consideration transferred	38,921		39,474
Adjustments, Fair value of consideration transferred	(553)
D.L. Building Materials Inc. \| Customer relationships
Business Acquisition [Line Items]
Intangible assets	20,450		20,926
Adjustments, Intangible assets	(476)
D.L. Building Materials Inc. \| Tradenames
Business Acquisition [Line Items]
Intangible assets	$ 2,498		$ 2,498

Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Current Assets, Receivables

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-of-Use Assets

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

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

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The amount of inventory recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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