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Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flow Supplemental Disclosures [Line Items]
Interest paid	$ 913	$ 1,844	$ 4,341
Income taxes net of refunds	124,984	70,889	70,095
N&S Supply of Fishkill, Inc
Cash Flow Supplemental Disclosures [Line Items]
Business combination shares issued	0	$ (161)	4,032
Peirce-Phelps, Inc.
Cash Flow Supplemental Disclosures [Line Items]
Business combination shares issued	0		58,344
Dunphey & Associates Supply Co., Inc.
Cash Flow Supplemental Disclosures [Line Items]
Business combination shares issued	0		6,891
Acme Refrigeration of Baton Rouge LLC
Cash Flow Supplemental Disclosures [Line Items]
Business combination shares issued	2,551		0
Makdad Industrial Supply Co., Inc
Cash Flow Supplemental Disclosures [Line Items]
Business combination shares issued	$ 997		$ 0

X

- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586

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-Name Accounting Standards Codification
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