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Preferred and Common Shares and Share-based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 44 Months Ended
Feb. 28, 2022
Jan. 31, 2022
May 31, 2021
Jul. 01, 2022
Jul. 02, 2021
Jul. 01, 2022
Jul. 02, 2021
Jul. 01, 2022
Dec. 31, 2021
Feb. 29, 2020
Oct. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Preferred shares, Authorized     7,000,000.0 7,000,000   7,000,000   7,000,000 7,000,000    
Preferred shares, voting rights     one vote per share                
Preferred shares, Issued       0   0   0 0    
Preferred shares, outstanding       0   0   0 0    
Repurchase of common stock           $ 10,000,000          
Share-based compensation expense recognized       $ 5,081,000 $ 5,035,000 11,855,000 $ 11,679,000        
Selling, General and Administrative Expenses                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Share-based compensation expense recognized       $ 4,056,000 $ 3,834,000 9,257,000 8,763,000        
Share-Based Payment Arrangement, Option                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Fair value of stock options granted           $ 1,900,000          
Expected annual dividend yield           0.00%          
TSR Performance-based Restricted Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Expected annual dividend yield           0.00%          
Amended and Restated 2010 Incentive Plan | Deferred Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Number of outstanding shares       88,000   88,000   88,000 91,000    
Amended and Restated 2010 Incentive Plan | Share-Based Payment Arrangement, Option                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting/Performance period 3 years                    
Stock options, Granted 40,000         40,000          
Stock options, Expiration Period 7 years                    
Amended and Restated 2010 Incentive Plan | Restricted Stock Units and Deferred Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Total fair value of stock units vested           $ 17,400,000          
Amended and Restated 2010 Incentive Plan | Restricted Stock Units and Deferred Stock Units | Board of Directors | Selling, General and Administrative Expenses                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Share-based compensation expense recognized           $ 1,100,000 $ 1,100,000        
Amended and Restated 2010 Incentive Plan | Restricted Stock Units (RSUs) | Maximum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting/Performance period           5 years          
Amended and Restated 2010 Incentive Plan | Restricted Stock Units (RSUs) | Minimum [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting/Performance period           0 years          
Amended and Restated 2010 Incentive Plan | EPS Performance-based Restricted Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting/Performance period           3 years          
Amended and Restated 2010 Incentive Plan | EPS Performance-based Restricted Stock Units | Maximum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Range of percentage of shares to be issued upon settlement following vesting of target number of shares           200.00%          
Amended and Restated 2010 Incentive Plan | EPS Performance-based Restricted Stock Units | Minimum [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Range of percentage of shares to be issued upon settlement following vesting of target number of shares           0.00%          
Amended and Restated 2010 Incentive Plan | TSR Performance-based Restricted Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting/Performance period           3 years          
Amended and Restated 2010 Incentive Plan | TSR Performance-based Restricted Stock Units | Maximum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Range of percentage of shares to be issued upon settlement following vesting of target number of shares           200.00%          
Amended and Restated 2010 Incentive Plan | TSR Performance-based Restricted Stock Units | Minimum [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Range of percentage of shares to be issued upon settlement following vesting of target number of shares           0.00%          
Amended and Restated 2010 Incentive Plan | ATI Performance-based Restricted Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting/Performance period   4 years                  
Amended and Restated 2010 Incentive Plan | ATI Performance-based Restricted Stock Units | Maximum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Range of percentage of shares to be issued upon settlement following vesting of target number of shares   100.00%                  
Amended and Restated 2010 Incentive Plan | ATI Performance-based Restricted Stock Units | Minimum [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Range of percentage of shares to be issued upon settlement following vesting of target number of shares   0.00%                  
Amended and Restated 2010 Incentive Plan | Performance Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Total fair value of stock units vested           $ 7,200,000          
Maximum number of common shares to be earned under these PSU grants       337,000   337,000   337,000      
2018 Repurchase Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Common stock repurchase program authorized amount                     $ 25,000,000.0
Shares repurchased           80,000   264,000      
Repurchase of common stock           $ 9,500,000   $ 25,000,000.0      
Shares repurchased, average cost per share           $ 118.97   $ 94.57      
2020 Repurchase Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Common stock repurchase program authorized amount                   $ 50,000,000.0  
Shares repurchased           4,000          
Repurchase of common stock           $ 500,000          
Shares repurchased, average cost per share           $ 116.95          
Available for share repurchases       $ 49,500,000   $ 49,500,000   $ 49,500,000