Costs Associated with Exit and Restructuring Activities Costs Associated with Exit and Restructuring Activities - June 2016 Plan (Details) - June 2016 Plan	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 27, 2015 USD ($)	Sep. 30, 2016 USD ($) employee	Sep. 27, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated | employee			230
Total restructuring, impairment and restructuring related charges
Restructuring Reserve	$ 1,569		$ 1,569
Operating Earnings
Restructuring Cost and Reserve [Line Items]
Planned Costs	16,000,000		16,000,000
Actual costs incurred	2,175,000		2,175,000
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	1,969,000	$ 0	2,175,000	$ 0
Equipment relocation
Restructuring Cost and Reserve [Line Items]
Planned Costs	7,925,000		7,925,000
Workforce reduction
Restructuring Cost and Reserve [Line Items]
Planned Costs	3,075,000		3,075,000
Workforce reduction | Operating Earnings
Restructuring Cost and Reserve [Line Items]
Actual costs incurred	2,175,000		2,175,000
Asset impairment charge
Restructuring Cost and Reserve [Line Items]
Planned Costs	3,700,000		3,700,000
Asset impairment charge | Operating Earnings
Restructuring Cost and Reserve [Line Items]
Actual costs incurred	0		0
Other charges, including pension termination costs
Restructuring Cost and Reserve [Line Items]
Planned Costs	1,300,000		1,300,000
Other charges, including pension termination costs | Operating Earnings
Restructuring Cost and Reserve [Line Items]
Actual costs incurred	0		0
Minimum
Restructuring Cost and Reserve [Line Items]
Planned Costs	$ 16,000,000		$ 16,000,000