v3.22.2.2
ACQUISITIONS - Narrative (Details)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 25, 2022
USD ($)
acquisition
Sep. 26, 2021
USD ($)
acquisition
Jun. 26, 2022
USD ($)
Sep. 25, 2022
USD ($)
acquisition
Sep. 26, 2021
USD ($)
acquisition
Dec. 31, 2021
USD ($)
acquisition
facility
Business Acquisition [Line Items]            
Total sales $ 1,112,089 $ 1,060,177   $ 3,929,957 $ 2,930,613  
Operating income 92,761 93,273   428,543 257,020  
Selling, general and administrative 84,924 64,245   250,969 175,842  
Cash payments related to contingent consideration liabilities       4,780 1,600  
Cash, net of cash acquired       152,888 297,701  
Operating lease right-of-use assets 164,725     164,725   $ 158,183
Goodwill 597,625     597,625   551,377
Identifiable intangible assets 88,240     88,240   245,794
Pro forma amortization expense 0 $ 3,900   1,100 $ 14,600  
Trademarks            
Business Acquisition [Line Items]            
Identifiable intangible assets 17,220     17,220   52,689
Customer relationships            
Business Acquisition [Line Items]            
Identifiable intangible assets 62,880     $ 62,880   160,412
Estimated Useful Life (in years)       10 years    
Non-compete agreements            
Business Acquisition [Line Items]            
Identifiable intangible assets 640     $ 640   3,843
Estimated Useful Life (in years)       5 years    
Patents            
Business Acquisition [Line Items]            
Identifiable intangible assets $ 7,500     $ 7,500   $ 28,850
Minimum | Patents            
Business Acquisition [Line Items]            
Estimated Useful Life (in years)       10 years    
Maximum | Patents            
Business Acquisition [Line Items]            
Estimated Useful Life (in years)       18 years    
2022 Acquisitions            
Business Acquisition [Line Items]            
Number of acquisitions | acquisition 0     3    
Total sales $ 38,000     $ 87,300    
Operating income 6,900     $ 15,900    
Number of immaterial acquisitions | acquisition       2    
Cash, net of cash acquired       $ 152,235    
Cash consideration       154,054    
Trade receivables 21,454     21,454    
Inventory 34,680     34,680    
Prepaid expense 1,391     1,391    
Fixed assets 6,731     6,731    
Operating lease right-of-use assets 3,516     3,516    
Identifiable intangible assets 88,240     88,240    
Accounts payable & accrued liabilities (25,383)     (25,383)    
Operating lease obligations (2,731)     (2,731)    
Deferred tax liabilities and other long-term liabilities (19,476)     (19,476)    
Goodwill 46,417     46,417    
2021 Acquisitions            
Business Acquisition [Line Items]            
Number of acquisitions | acquisition   3     10 13
Total sales   $ 84,000     $ 146,100  
Operating income   $ 6,600     $ 12,600  
Number of immaterial acquisitions | acquisition           7
Cash, net of cash acquired       509,263    
Cash consideration       524,014    
Trade receivables 26,118     26,118    
Inventory 69,343     69,343    
Prepaid expense 13,747     13,747    
Fixed assets 55,101     55,101    
Operating lease right-of-use assets 25,530     25,530    
Identifiable intangible assets 245,794     245,794    
Accounts payable & accrued liabilities (32,326)     (32,326)    
Operating lease obligations (20,012)     (20,012)    
Deferred tax liabilities and other long-term liabilities (1,486)     (1,486)    
Goodwill 147,723     $ 147,723    
2021 Acquisitions | Minimum            
Business Acquisition [Line Items]            
Contingent consideration, performance period       1 year    
2021 Acquisitions | Maximum            
Business Acquisition [Line Items]            
Contingent consideration, performance period       3 years    
Certain Acquisitions            
Business Acquisition [Line Items]            
Number of acquisitions | acquisition       1   6
Fair value of estimated contingent consideration payments 10,700     $ 10,700   $ 12,300
Contingent consideration arrangements maximum payments amount 15,000     15,000    
Selling, general and administrative 0     3,000    
Cash payments related to contingent consideration liabilities 0     6,400    
Certain Acquisitions | Accrued liabilities            
Business Acquisition [Line Items]            
Fair value of estimated contingent consideration payments 7,200     7,200   7,000
Certain Acquisitions | Other Noncurrent Liabilities            
Business Acquisition [Line Items]            
Fair value of estimated contingent consideration payments 3,500     3,500   $ 5,300
Rockford Corporation            
Business Acquisition [Line Items]            
Cash consideration       132,600    
Trade receivables 20,600     20,600    
Inventory 32,700     32,700    
Prepaid expense 1,400     1,400    
Fixed assets 5,300     5,300    
Operating lease right-of-use assets 2,900     2,900    
Identifiable intangible assets 79,900   $ 70,000 79,900    
Accounts payable & accrued liabilities (24,300)     (24,300)    
Operating lease obligations (2,900)     (2,900)    
Deferred tax liabilities and other long-term liabilities (19,500)     (19,500)    
Goodwill 36,400     36,400    
Rockford Corporation | Trademarks            
Business Acquisition [Line Items]            
Identifiable intangible assets 16,000   15,400 16,000    
Rockford Corporation | Customer relationships            
Business Acquisition [Line Items]            
Identifiable intangible assets 56,000   42,000 56,000    
Rockford Corporation | Non-compete agreements            
Business Acquisition [Line Items]            
Identifiable intangible assets 400   2,100 400    
Rockford Corporation | Patents            
Business Acquisition [Line Items]            
Identifiable intangible assets $ 7,500   $ 10,500 $ 7,500    
Estimated Useful Life (in years)     15 years 15 years    
Alpha Systems LLC            
Business Acquisition [Line Items]            
Number of facilities acquired | facility           9