Goodwill and Intangible Assets - Schedule of Changes in the Carrying Amount of Goodwill by Segment (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 399,925
Acquisitions	67,491
Impact of foreign exchange rates	(96)
Goodwill, ending balance	467,320
Lawson
Goodwill [Roll Forward]
Goodwill, beginning balance	155,915
Acquisitions	37,083
Impact of foreign exchange rates	(141)
Goodwill, ending balance	192,857
TestEquity
Goodwill [Roll Forward]
Goodwill, beginning balance	164,990
Acquisitions	(110)
Impact of foreign exchange rates	0
Goodwill, ending balance	164,880
Gexpro Services
Goodwill [Roll Forward]
Goodwill, beginning balance	55,743
Acquisitions	0
Impact of foreign exchange rates	172
Goodwill, ending balance	55,915
Canada Branch Division
Goodwill [Roll Forward]
Goodwill, beginning balance	23,277
Acquisitions	30,518
Impact of foreign exchange rates	(127)
Goodwill, ending balance	$ 53,668