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Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Nov. 17, 2023
Dec. 27, 2025
Dec. 28, 2024
Dec. 27, 2025
Dec. 28, 2024
Jun. 28, 2025
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2016
Nov. 19, 2025
Nov. 28, 2023
Jul. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award                        
Authorized (in shares)       3,200,000                
Shares of common stock available for grant (in shares)   3,400,000   3,400,000   2,600,000            
Share based compensation, expensed   $ 39.3 $ 39.3 $ 85.7 $ 73.1              
Change in stock-based compensation capitalized to inventory       $ 12.4   $ 14.6            
Restricted Stock Units                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Stock units granted (in shares)       1,000,000.0                
Share based compensation, expensed   27.0 24.8 $ 52.6 48.8              
Stock Options                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Vesting period (in years)       3 years                
Share based compensation, expensed   1.0 1.3 $ 2.6 2.6              
Total PSUs                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Stock units granted (in shares)       200,000                
Share based compensation, expensed   10.1 12.2 $ 27.7 19.5              
Total PSUs | Maximum | Director                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Shares granted (as a percent)       200.00%                
Total PSUs | Maximum | President And Chief Executive Officer                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Shares granted (as a percent)       200.00%                
Total PSUs | Minimum | Director                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Shares granted (as a percent)       0.00%                
Total PSUs | Minimum | President And Chief Executive Officer                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Shares granted (as a percent)       0.00%                
ESPP                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Share based compensation, expensed   $ 1.2 $ 1.0 $ 2.8 $ 2.2              
2015 Plan                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Common stock authorized for issuance under plan (in shares)                       8,500,000
Authorized (in shares) 3,000,000           900,000 3,000,000 3,000,000      
2015 Plan | Maximum                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Vesting period (in years)       4 years                
2015 Plan | Restricted Stock Units                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Shares outstanding (in shares)   3,600,000   3,600,000                
Vesting period (in years)       3 years                
2015 Plan | Restricted Stock Units | Maximum                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Vesting period (in years)       4 years                
2015 Plan | Total PSUs                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Vesting period (in years)       3 years                
Weighted average grant date fair value (per share)       $ 282.85                
2015 Plan | Total PSUs | Director                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Vesting period (in years)       3 years                
Stock units granted (in shares)       100,000                
Fair value       $ 13.7                
2015 Plan | Total PSUs | Other Directors And Senior Management                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Stock units granted (in shares)       100,000                
Fair value       $ 33.0                
Cloud Light Scheme                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Common stock authorized for issuance under plan (in shares)                     1,500,000  
2025 Equity Incentive Plan                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Common stock authorized for issuance under plan (in shares)                   3,200,000    
2025 Equity Incentive Plan | Maximum                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Common stock authorized for issuance under plan (in shares)                   3,900,000    
2015 Purchase Plan | Stock Options                        
Share-based Compensation Arrangement by Share-based Payment Award                        
Common stock authorized for issuance under plan (in shares)   3,000,000.0   3,000,000.0                
Shares of common stock available for grant (in shares)   300,000   300,000                
Discount rate provided under purchase plan (as a percent)       15.00%                
Look-back period (in months)       6 months