Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 28, 2019	Mar. 30, 2019
Consolidated Balance Sheets [Abstract]
Class C convertible preferred stock par value	$ 1.50	$ 1.50
Class C convertible preferred stock, conversion value	$ 0.064	$ 0.064
Class C convertible preferred stock shares authorized	150,000	150,000
Class C convertible preferred stock shares issued	21,802	21,802
Class C convertible preferred stock shares outstanding	21,802	21,802
Common stock par value	$ 0.01	$ 0.01
Common stock shares authorized	65,000,000	65,000,000
Common stock shares issued	39,639,544	39,510,932
Treasury stock shares	6,359,871	6,359,871