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Accounting Policies - Shipping and Handling, and Research and Development (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 25, 2023
Jun. 30, 2024
Jun. 25, 2023
Shipping and Handling        
Shipping and handling $ 22,000,000.0 $ 17,000,000.0 $ 43,800,000 $ 33,600,000
Research and Development        
Research and development costs included in selling, general, and administrative expense $ 17,900,000 $ 16,000,000.0 $ 36,400,000 $ 32,100,000