Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 29, 2018

Retirement Benefit Plans [Abstract]

Significant Disclosures Relating to Benefit Plans

Significant disclosures relating to these benefit plans for the third quarter and first nine months of fiscal years 2018 and 2017 are as follows:

	Pension Benefits
	Nine Months Ended						Three Months Ended
	September 29, 2018			September 30, 2017			September 29, 2018			September 30, 2017
Service cost	$	989,881		$	952,078		$	329,959		$	317,360
Interest cost		2,330,373			2,373,167			776,790			791,055
Expected return on plan assets		(3,914,637	)		(3,587,682	)		(1,304,879	)		(1,195,895	)
Amortization of prior service cost		98,072			109,312			32,691			36,438
Amortization of the net loss		832,584			923,614			277,528			307,871
Net periodic benefit cost	$	336,273		$	770,489		$	112,089		$	256,829

	Postretirement Benefits
	Nine Months Ended						Three Months Ended
	September 29, 2018			September 30, 2017			September 29, 2018			September 30, 2017
Service cost	$	27,768		$	20,542		$	9,256		$	6,847
Interest cost		57,871			60,620			19,290			20,206
Expected return on plan assets		(41,738	)		(38,621	)		(13,913	)		(12,874	)
Amortization of prior service cost		(3,804	)		(16,083	)		(1,268	)		(5,361	)
Amortization of the net loss		(49,193	)		(58,201	)		(16,397	)		(19,400	)
Net periodic benefit cost	$	(9,096	)	$	(31,743	)	$	(3,032	)	$	(10,582	)

Defined Contribution Plan

The Company made contributions to the 401(k) Plan as follows:

	Nine Months Ended						Three Months Ended
	September 29, 2018			September 30, 2017			September 29, 2018			September 30, 2017
Regular matching contribution		$	436,088		$	346,713		$	129,968		$	111,291
Transitional credit contribution			273,742			307,597			68,128			76,526
Non-discretionary contribution			558,547			339,220			17,715			15,987
Total contributions for the period		$	1,268,377		$	993,530		$	215,811		$	203,804