Common Stock and Series B Convertible Preferred Stock - Shares Authorized and Outstanding (Details) - shares	Mar. 28, 2021	Dec. 27, 2020	Mar. 29, 2020
Authorized shares of preferred stock	5,000,000.0
Authorized shares of common stock	100,000,000.0
Outstanding shares of common stock , net of repurchased stock	32,700,000	32,500,000
Series B Convertible Preferred Stock, shares outstanding	252,530	252,500
Series B Preferred Stock
Authorized shares of preferred stock	260,000
Series B Convertible Preferred Stock, shares outstanding	252,500,000		252,500,000