Retirement Benefit Plans (Details 1) - USD ($)	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Total Contributions For The Period	$ 605,880	$ 793,412
Regular Matching Contributions [Member]
Total Contributions For The Period	210,939	191,808
Transitional Credit Contributions [Member]
Total Contributions For The Period	51,564	66,929
Non-Discretionary Contributions [Member]
Total Contributions For The Period	$ 343,377	$ 534,675