Restructuring (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Restructuring Reserve [Roll Forward]
Expenses	$ 4,218	$ 1,149	$ 17,437	$ 8,145
Commercial Foodservice Equipment Group [Member]
Restructuring Reserve [Roll Forward]
Expenses	2,600		4,600
Effects on Future Earnings, Restructuring	10,000		10,000
Food Processing Group [Member]
Restructuring Reserve [Roll Forward]
Expenses	300		500
Effects on Future Earnings, Restructuring	4,000		4,000
Residential Kitchen [Member]
Restructuring Reserve [Roll Forward]
Expenses	1,300		12,300
Restructuring Charges, Cumulative			40,000
Effects on Future Earnings, Restructuring	20,000		20,000
Residential Kitchen [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Expenses			6,938
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			476
Payments			(5,857)
Balance as of October 3, 2015	6,702		6,702
Residential Kitchen [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Expenses			4,979
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			343
Payments			(4,350)
Balance as of October 3, 2015	3,004		3,004
Residential Kitchen [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Expenses			374
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			14
Payments			(457)
Balance as of October 3, 2015	0		0
Residential Kitchen [Member] | Restructuring Charges [Member]
Restructuring Reserve [Roll Forward]
Expenses			12,291
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			833
Payments			(10,664)
Balance as of October 3, 2015	$ 9,706		$ 9,706