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Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($)
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Goodwill [Roll Forward]      
Goodwill   $ 179,698,000  
Accumulated impairment charges, beginning of year   (49,405,000)  
Goodwill, net, beginning balance $ 150,335,000 130,293,000  
Additions 1,999,000 22,819,000  
Reduction (534,000)    
Currency translation 1,476,000 (2,777,000)  
Goodwill 202,681,000   $ 179,698,000
Accumulated impairment loss, end of year (49,405,000)   (49,405,000)
Goodwill, net, ending balance 153,276,000 150,335,000 130,293,000
Impairment charges 0 0 0
Heatlink Group [Member]      
Goodwill [Roll Forward]      
Purchase price allocation adjustments   2,800,000  
Die-Mold [Member]      
Goodwill [Roll Forward]      
Purchase price allocation adjustments 2,000,000.0    
ATCO Rubber Product [Member]      
Goodwill [Roll Forward]      
Purchase price allocation adjustments   500,000  
Piping Systems [Member]      
Goodwill [Roll Forward]      
Goodwill   166,428,000  
Accumulated impairment charges, beginning of year   (40,552,000)  
Goodwill, net, beginning balance 128,148,000 125,876,000  
Additions 1,999,000 5,049,000  
Reduction 0    
Currency translation 1,476,000 (2,777,000)  
Goodwill 172,175,000   166,428,000
Accumulated impairment loss, end of year (40,552,000)   (40,552,000)
Goodwill, net, ending balance 131,623,000 128,148,000 125,876,000
Industrial Metals [Member]      
Goodwill [Roll Forward]      
Goodwill   8,854,000  
Accumulated impairment charges, beginning of year   (8,853,000)  
Goodwill, net, beginning balance 1,000 1,000  
Additions 0 0  
Reduction 0    
Currency translation 0 0  
Goodwill 8,854,000   8,854,000
Accumulated impairment loss, end of year (8,853,000)   (8,853,000)
Goodwill, net, ending balance 1,000 1,000 1,000
Climate [Member]      
Goodwill [Roll Forward]      
Goodwill   4,416,000  
Accumulated impairment charges, beginning of year   0  
Goodwill, net, beginning balance 22,186,000 4,416,000  
Additions 0 17,770,000  
Reduction (534,000)    
Currency translation 0 0  
Goodwill 21,652,000   4,416,000
Accumulated impairment loss, end of year 0   0
Goodwill, net, ending balance $ 21,652,000 $ 22,186,000 $ 4,416,000