Retirement Benefit Plans (Tables)

9 Months Ended

Oct. 02, 2021

Retirement Benefit Plans

Schedule of Significant Disclosures Relating to Benefit Plans

	Pension Benefits
	Three Months Ended						Nine Months Ended
	October 2, 2021			October 3, 2020			October 2, 2021			October 3, 2020
Service cost	$	271,832		$	266,435		$	815,500		$	799,305
Interest cost		504,252			714,143			1,512,761			2,142,428
Expected return on plan assets		(1,448,671	)		(1,365,261	)		(4,346,020	)		(4,095,784	)
Amortization of prior service cost		24,845			24,845			74,535			74,535
Amortization of the net loss		432,539			325,033			1,297,614			975,101
Net periodic benefit	$	(215,203	)	$	(34,805	)	$	(645,610	)	$	(104,415	)

	Postretirement Benefits						Postretirement Benefits
	Three Months Ended						Nine Months Ended
	October 2, 2021			October 3, 2020			October 2, 2021			October 3, 2020
Service cost		13,626			10,855			40,878			32,565
Interest cost		9,842			11,667			29,526			35,001
Expected return on plan assets		(6,420	)		(5,589	)		(19,260	)		(16,767	)
Gain on significant event		—			—			—			—
Amortization of prior service cost		—			(2,063	)		—			(6,189	)
Amortization of the net loss		(3,094	)		(6,377	)		(9,282	)		(19,131	)
Net periodic benefit cost	$	13,954		$	8,493		$	41,862		$	25,479

Schedule of Defined Contribution Plan

	Three Months Ended				Nine Months Ended
	October 2, 2021		October 3, 2020		October 2, 2021		October 3, 2020
Regular matching contribution	$	135,664	$	178,244	$	433,061	$	551,765
Transitional credit contribution		32,468		62,842		108,337		209,191
Non-discretionary contribution		15,001		13,036		377,486		593,084
Total contributions for the period	$	183,133	$	254,122	$	918,884	$	1,354,040