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Business Combinations - Summary of Preliminary Fair Values of Assets Acquired and Liabilities Assumed at Date of Acquisition (Detail) - USD ($)
$ in Millions
Apr. 15, 2019
Dec. 25, 2020
Dec. 27, 2019
Business Acquisition [Line Items]      
Goodwill   $ 171.1 $ 171.1
Dynamic Manufacturing Solutions [Member]      
Business Acquisition [Line Items]      
Accounts receivable $ 1.5    
Inventories 8.9    
Property, plant and equipment 5.4    
Goodwill 12.3    
Intangible assets 6.9    
Other assets 0.3    
Total assets acquired 35.3    
Accounts payable (3.8)    
Other liabilities (0.1)    
Total liabilities assumed (3.9)    
Purchase price allocated $ 31.4