Retirement Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Retirement Benefits [Abstract]
Stock contribution	$ 6,870	$ 7,237	$ 7,174
Cash contribution	19,941	21,171	21,413
Total annual contribution	$ 26,811	$ 28,408	$ 28,587