Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangibles - Goodwill (Details)

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Goodwill and Other Intangibles - Goodwill (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
Changes in the carrying amount of goodwill        
Number of reporting units | item     2  
Impairment of goodwill $ 0 $ 0    
Gross Goodwill, at beginning of period     $ 2,172,706 $ 2,129,939
Additions     543,847 42,767
Ex Translation Adjustment     (4,769)  
Gross Goodwill, at end of period 2,711,784 2,172,706 2,711,784 2,172,706
Accumulated Impairment Losses (762,021) (762,021) (762,021) (762,021)
Net Goodwill 1,949,763 1,410,685 1,949,763 1,410,685
Installation        
Changes in the carrying amount of goodwill        
Gross Goodwill, at beginning of period     1,726,356 1,683,589
Additions     92,516 42,767
Gross Goodwill, at end of period 1,818,872 1,726,356 1,818,872 1,726,356
Accumulated Impairment Losses (762,021) (762,021) (762,021) (762,021)
Net Goodwill 1,056,851 964,335 1,056,851 964,335
Specialty Distribution        
Changes in the carrying amount of goodwill        
Gross Goodwill, at beginning of period     446,350 446,350
Additions     451,331  
Ex Translation Adjustment     (4,769)  
Gross Goodwill, at end of period 892,912 446,350 892,912 446,350
Net Goodwill $ 892,912 $ 446,350 $ 892,912 $ 446,350