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Acquisitions (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jan. 21, 2020
Jul. 03, 2020
Jul. 03, 2020
Business Acquisition [Line Items]      
Acquisitions     $ 24.4
Matricel      
Business Acquisition [Line Items]      
Consideration transferred $ 44.0    
Acquisitions   $ (0.8)  
Weighted average amortization period     10 years