Earnings Per Share - Distributed and Undistributed Earnings (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jul. 05, 2020	Jun. 30, 2019	Jul. 05, 2020	Jun. 30, 2019
Basic Earnings (Loss) Per Share:
Distributed Earnings (in dollars per share)	$ 0.01	$ 0.07	$ 0.08	$ 0.13
Undistributed Earnings (Loss) (in dollars per share)	0.07	0.43	(1.75)	0.48
Basic earnings (loss) per share, total (in dollars per share)	0.08	0.50	(1.67)	0.61
Diluted Earnings (Loss) Per Share:
Distributed Earnings (in dollars per share)	0.01	0.07	0.08	0.13
Undistributed Earnings (Loss) (in dollars per share)	0.07	0.43	(1.75)	0.48
Diluted earnings (loss) per share, total (in dollars per share)	0.08	0.50	(1.67)	0.61
Basic earnings (loss) per share (in dollars per share)	0.08	0.50	(1.67)	0.61
Diluted earnings (loss) per share (in dollars per share)	$ 0.08	$ 0.50	$ (1.67)	$ 0.61