Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2017		Oct. 01, 2016		Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016	Sep. 27, 2014
Segment Reporting Information [Line Items]
Net sales	[1]	$ 593,043		$ 574,224		$ 1,702,683	$ 1,671,035
Income from operations		118,257	[1]	121,439	[1]	341,472	319,727
Depreciation and amortization expense		16,961	[1]	13,169	[1]	49,276	44,409
Net capital expenditures		12,144	[1]	5,691	[1]	42,434	18,799
Total assets		3,201,143				3,201,143		$ 2,917,136	$ 2,915,468
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales		354,828	[1]	331,571	[1]	1,000,830	931,585
Income from operations		89,028	[1]	90,159	[1]	264,576	260,460
Depreciation and amortization expense		6,977	[1]	5,272	[1]	20,455	15,218
Net capital expenditures		7,978	[1]	3,469	[1]	34,727	10,975
Total assets		1,559,757				1,559,757			1,361,244
Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales		86,871	[1]	82,196	[1]	256,515	244,307
Income from operations		19,975	[1]	19,360	[1]	62,163	56,409
Depreciation and amortization expense		2,101	[1]	1,419	[1]	5,145	4,377
Net capital expenditures		484	[1]	618	[1]	2,430	3,300
Total assets		393,272				393,272			333,056
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales		151,344	[1]	160,457	[1]	445,338	495,143
Income from operations		25,087	[1]	30,560	[1]	66,005	62,775
Depreciation and amortization expense		7,422	[1]	5,249	[1]	22,256	22,191
Net capital expenditures		2,813	[1]	1,604	[1]	5,756	4,393
Total assets		1,211,388				1,211,388			1,163,992
Corporate and Other
Segment Reporting Information [Line Items]
Net sales		0	[1],[2]	0	[1],[2]	0	0
Income from operations		(15,833)	[1],[2]	(18,640)	[1],[2]	(51,272)	(59,917)
Depreciation and amortization expense		461	[1],[2]	1,229	[1],[2]	1,420	2,623
Net capital expenditures		869	[1],[2]	$ 0	[1],[2]	(479)	$ 131
Total assets		$ 36,726				$ 36,726			$ 57,176

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.

[2] Includes corporate and other general company assets and operations.