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Accounting Policies - Shipping and Handling, and Research and Development (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 26, 2022
Jun. 27, 2021
Jun. 26, 2022
Jun. 27, 2021
Shipping and Handling        
Shipping and handling $ 18,400,000 $ 17,500,000 $ 36,100,000 $ 32,900,000
Research and Development        
Research and development costs included in selling, general, and administrative expense $ 12,300,000 $ 11,000,000.0 $ 24,200,000 $ 21,800,000