v3.22.4
Earnings Per Share - Schedule of Basic to Diluted Income Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Jan. 01, 2022
Jan. 02, 2021
Reconciliation of basic to diluted loss per share      
Net income attributable to Summit Inc. $ 272,145 $ 152,184 $ 137,967
Diluted net income attributable to Summit Inc. $ 272,145 $ 152,184 $ 137,967
LP Units      
Reconciliation of basic to diluted loss per share      
Anti dilutive shares excluded from calculation of earnings per share 1,313,204 1,867,853 3,060,248
Warrants      
Reconciliation of basic to diluted loss per share      
Anti dilutive shares excluded from calculation of earnings per share 0 0 100,037
Common Class A      
Reconciliation of basic to diluted loss per share      
Weighted average shares outstanding (in shares) 119,747,056 119,415,448 115,993,963
Basic (USD per share) $ 2.27 $ 1.27 $ 1.19
Add: warrants 11,647 17,674 0
Weighted average dilutive shares outstanding (in shares) 120,628,459 120,721,146 116,610,982
Diluted (USD per share) $ 2.26 $ 1.26 $ 1.18
Common Class A | Time-vesting stock options      
Reconciliation of basic to diluted loss per share      
Add: Share-based payment arrangements 87,976 282,677 3,390
Common Class A | Restricted Stock Units      
Reconciliation of basic to diluted loss per share      
Add: Share-based payment arrangements 460,700 816,966 520,871
Common Class A | Performance Stock Units      
Reconciliation of basic to diluted loss per share      
Add: Share-based payment arrangements 173,692 188,381 92,758
Restricted Stock      
Reconciliation of basic to diluted loss per share      
Add: Nonvested restricted stock awards of retirement eligible shares (in shares) 147,388 213,846 212,443
Common Class A and Restricted Stock      
Reconciliation of basic to diluted loss per share      
Weighted average shares outstanding (in shares) 119,894,444 119,629,294 116,206,406
Basic (USD per share) $ 2.27 $ 1.27 $ 1.19