Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plans Stock Incentive Plans - Summary of Weighted Average Assumptions (Details)

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Stock Incentive Plans Stock Incentive Plans - Summary of Weighted Average Assumptions (Details) - Stock Options - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate (as a percent) 0.00% 2.50% 1.80%
Expected years until exercise 0 years 3 years 2 months 5 years
Expected stock volatility (as a percent) 0.00% 43.40% 37.90%
Dividend yield (as a percent) 0.00% 0.00% 0.00%
Weighted average Black-Scholes fair value per share at date of grant (in dollars per share) $ 0.00 $ 16.56 $ 17.11
Total intrinsic value of options exercised $ 20 $ 390 $ 1,676