Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 399,925	$ 348,048
Acquisitions	67,381	50,886
Impact of foreign exchange rates	(4,517)	991
Goodwill, ending balance	462,789	399,925
Lawson
Goodwill [Roll Forward]
Goodwill, beginning balance	155,915	155,773
Acquisitions	37,177	0
Impact of foreign exchange rates	(494)	142
Goodwill, ending balance	192,598	155,915
TestEquity
Goodwill [Roll Forward]
Goodwill, beginning balance	164,990	114,104
Acquisitions	(110)	50,886
Impact of foreign exchange rates	0	0
Goodwill, ending balance	164,880	164,990
Gexpro Services
Goodwill [Roll Forward]
Goodwill, beginning balance	55,743	55,421
Acquisitions	1,372	0
Impact of foreign exchange rates	(773)	322
Goodwill, ending balance	56,342	55,743
Canada Branch Division
Goodwill [Roll Forward]
Goodwill, beginning balance	23,277	22,750
Acquisitions	28,942	0
Impact of foreign exchange rates	(3,250)	527
Goodwill, ending balance	$ 48,969	$ 23,277