Fair Value of Stock Options Granted Estimated Using Black-Scholes Valuation Model (Details) - Stock Options	3 Months Ended
	Apr. 01, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected option term in year	4 years 6 months	[1]
Expected volatility	39.30%	[2]
Risk-free interest rate	1.83%	[3]
Expected annual dividend yield	0.00%	[4]

[1] The expected option term was calculated using the simplified method provided by Codification of Staff Accounting Bulletins Topic 14: “Share-Based Payment”.

[2] The expected volatility was determined based on the historical volatility of the Company’s common shares over the expected option term.

[3] Risk-free interest rate was based upon treasury instrument whose term was half year longer than the expected option term.

[4] The expected annual dividend yield is zero, as the Company does not have plans to issue dividends.