Stockholders Equity and Stock-Based Compensation (Narrative) (Details) - USD ($)		12 Months Ended
	Jan. 02, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stockholders Equity and Stock-Based Compensation [Line Items]
Treasury Stock, Shares		244,113	244,113
Class B Share Convertible to Class A Share		one
Preferred Stock, Shares Authorized		20,000,000	20,000,000
Preferred Stock, Par Value Per Share		$ 0.01	$ 0.01
Preferred Stock, Shares Outstanding		0	0
Stock-based Compensation Arrangement by Stock-based Payment Award, Number of Shares Authorized		16,358,071
Stock-based Compensation Arrangement by Stock-based Payment Award, Number of Shares Available for Issuance		7,665,322
Stock-based Compensation Expense		$ 15,400,000	$ 11,400,000	$ 7,500,000
Employee Services Stock-based Compensation Expense, Capitalized Amount		0	0	0
Share-based Payment Arrangement, Expense, Tax Benefit		$ (2,300,000)	$ (1,600,000)	$ (2,100,000)
Stock-based Compensation Arrangement by Stock-based Award, Award Vesting Period				3 years
Stock-based Compensation Arrangement by Stock-based Payment Award, Expiration Period				5 years
Granted, Number of Shares		0	0	489,947
Expected Annual Cash Dividend				$ 1.08
Granted, Weighted Average Fair Value				$ 12.07
Stock-based Payment Award, Options, Vested, Fair Value		$ 2,500,000	$ 3,600,000	$ 2,500,000
Employee Service Stock-based Compensation, Nonvested Awards, Compensation Cost Not Yet Recognized		$ 800,000
Stock-based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Period for Recognition		1 year
Common Stock, Class A
Stockholders Equity and Stock-Based Compensation [Line Items]
Common Stock, Shares Authorized		150,000,000	150,000,000
Common Stock, Par or Stated Value Per Share		$ 0.01	$ 0.01
Common Stock, Shares, Outstanding		27,618,928	27,294,361
Common Stock, Voting Rights		one
Common Stock, Class B
Stockholders Equity and Stock-Based Compensation [Line Items]
Common Stock, Shares Authorized		50,000,000	50,000,000
Common Stock, Par or Stated Value Per Share		$ 0.01	$ 0.01
Common Stock, Shares, Outstanding		13,176,695	13,176,695
Common Stock, Voting Rights		ten
Maximum [Member]
Stockholders Equity and Stock-Based Compensation [Line Items]
Stock-based Compensation Arrangement by Stock-based Payment Award, Expiration Period				8 years
Going Private Transaction [Member] | Common Stock, Class A
Stockholders Equity and Stock-Based Compensation [Line Items]
Common Stock, Voting Rights		one
Going Private Transaction [Member] | Common Stock, Class B
Stockholders Equity and Stock-Based Compensation [Line Items]
Common Stock, Voting Rights		one
Subsequent Event [Member]
Stockholders Equity and Stock-Based Compensation [Line Items]
Annual Percentage Increase In Number Of Shares Available For Issuance	1.50%
Stock-based Compensation Arrangement by Stock-based Payment Award, Number of Additional Shares Authorized	611,922
Director [Member] | Restricted Stock [Member]
Stockholders Equity and Stock-Based Compensation [Line Items]
Stock-based Compensation Arrangement by Stock-based Award, Award Vesting Period		1 year