Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost and Assumptions Used

The components of net periodic benefit cost are as follows:

	Three Months Ended   June 30, 2018									Three Months Ended   July 1, 2017
(In thousands, except percentages)	U.S. Pension			Non-U.S. Pension			Other Post-Retirement			U.S. Pension			Non-U.S. Pension			Other Post-Retirement
Service Cost	$	175		$	35		$	53		$	147		$	33		$	53
Interest Cost	298			30			43			302			26			45
Expected Return on Plan Assets	(322		)	(11		)	(1		)	(328		)	(9		)	—
Recognized Net Actuarial Loss	135			15			34			108			9			27
Amortization of Prior Service Cost	—			2			22			13			1			23
	$	286		$	71		$	151		$	242		$	60		$	148
The weighted average assumptions used to determine net periodic benefit cost are as follows:
Discount Rate	3.51		%	3.80		%	3.64		%	4.03		%	3.47		%	4.11		%
Expected Long-Term Return on Plan Assets	4.50		%	7.43		%	7.43		%	5.00		%	7.72		%	7.72		%
Rate of Compensation Increase	3.00		%	3.69		%	3.07		%	3.00		%	3.44		%	3.06		%

	Six Months Ended   June 30, 2018									Six Months Ended   July 1, 2017
(In thousands, except percentages)	U.S. Pension			Non-U.S. Pension			Other Post-Retirement			U.S. Pension			Non-U.S. Pension			Other Post-Retirement
Service Cost	$	350		$	71		$	106		$	343		$	65		$	88
Interest Cost	596			60			86			616			50			84
Expected Return on Plan Assets	(644		)	(22		)	(2		)	(663		)	(17		)	—
Recognized Net Actuarial Loss	270			31			68			221			18			40
Amortization of Prior Service Cost	—			4			44			26			2			44
Net Periodic Benefit Cost	$	572		$	144		$	302		$	543		$	118		$	256
The weighted average assumptions used to determine net periodic benefit cost are as follows:
Discount Rate	3.51		%	3.80		%	3.64		%	4.03		%	3.43		%	4.12		%
Expected Long-Term Return on Plan Assets	4.50		%	7.43		%	7.43		%	5.00		%	7.72		%	7.72		%
Rate of Compensation Increase	3.00		%	3.69		%	3.07		%	3.00		%	3.42		%	3.07		%