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Operating Segments and Geographic Information - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Segment
Dec. 31, 2021
USD ($)
segment
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Reporting Information [Line Items]            
Number of reportable segments   2 2      
Revenues $ 2,408,100       $ 1,862,716 $ 2,131,278
Anixter International Inc.            
Segment Reporting Information [Line Items]            
Accounts receivable outstanding $ 40,500 $ 40,500 $ 40,500 $ 40,500 $ 17,500  
Anixter International Inc. | Customer Concentration Risk | Accounts Receivable            
Segment Reporting Information [Line Items]            
Percentage of total accounts receivable outstanding 10.00% 10.00% 10.00% 10.00% 6.00%  
Anixter International Inc and WESCO            
Segment Reporting Information [Line Items]            
Revenues $ 374,800       $ 271,600 $ 328,200
Anixter International Inc and WESCO | Customer Concentration Risk | Revenues            
Segment Reporting Information [Line Items]            
Percent of total revenues       16.00% 15.00% 15.00%