Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)

v3.22.4
Stock-Based Compensation - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details) - $ / shares
12 Months Ended
Apr. 01, 2022
Dec. 27, 2021
Dec. 31, 2022
Jun. 30, 2020
Jun. 30, 2019
Oct. 20, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
MIR stock price (in dollars per share)           $ 10.00
PSUs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
MIR stock price (in dollars per share) $ 8.13 $ 10.70        
Expected volatility 45.32% 41.12%        
Risk-free interest rate 2.61% 0.98%        
Dividend yield 0.00% 0.00%        
Fair value (in dollars per share) $ 11.69 $ 7.91        
Stock-based compensation expense - Profits Interests            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expected volatility     30.00%      
Cost of equity     8.50%      
Risk-free interest rate     0.10%      
Expected term (in years)     5 years      
Fair value (in dollars per share)     $ 6.90      
Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expected volatility       55.70% 25.10%  
Risk-free interest rate       0.20% 2.70%  
Dividend yield       0.00% 0.00%  
Expected term (in years)       3 years 2 years  
Fair value (in dollars per share)       $ 0.37 $ 0.16