Net Sales Summary (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2018		Jul. 01, 2017		Jun. 30, 2018	Jul. 01, 2017
Segment Reporting Information [Line Items]
Net sales	$ 668,128	[1]	$ 579,343	[1]	$ 1,252,928	$ 1,109,640
Percent	100.00%		100.00%		100.00%	100.00%
Income from operations	$ 111,310	[1]	$ 113,524	[1]	$ 198,302	$ 206,265
Depreciation and amortization expense	18,598	[1]	18,258	[1]	38,622	32,315
Capital Expenditures Net	7,551	[1]	23,432	[1]	24,208	31,708
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	$ 414,117	[1]	$ 333,753	[1]	$ 774,021	$ 646,002
Percent	62.00%		57.60%		61.80%	58.20%
Income from operations	$ 100,008	[1]	$ 95,007	[1]	$ 182,554	$ 175,548
Depreciation and amortization expense	7,349	[1]	8,496	[1]	15,349	13,478
Capital Expenditures Net	2,929	[1]	20,764	[1]	8,706	26,749
Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	$ 93,649	[1]	$ 92,368	[1]	$ 182,221	$ 169,644
Percent	14.00%		15.90%		14.50%	15.30%
Income from operations	$ 14,648	[1]	$ 24,199	[1]	$ 25,326	$ 42,188
Depreciation and amortization expense	3,129	[1]	1,657	[1]	7,176	3,044
Capital Expenditures Net	460	[1]	1,308	[1]	6,956	1,946
Corporate and Other
Segment Reporting Information [Line Items]
Net sales	0	[1],[2]	0	[1],[2]	0	0
Income from operations	(19,866)	[1],[2]	(19,076)	[1],[2]	(32,687)	(35,439)
Depreciation and amortization expense	468	[1],[2]	478	[1],[2]	936	959
Capital Expenditures Net	1,418	[1],[2]	(301)	[1],[2]	904	70
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	$ 160,362	[1]	$ 153,222	[1]	$ 296,686	$ 293,994
Percent	24.00%		26.50%		23.70%	26.50%
Income from operations	$ 16,520	[1]	$ 13,394	[1]	$ 23,109	$ 23,968
Depreciation and amortization expense	7,652	[1]	7,627	[1]	15,161	14,834
Capital Expenditures Net	2,744	[1]	1,661	[1]	7,642	2,943
United States and Canada
Segment Reporting Information [Line Items]
Net sales	452,249		399,445		852,857	764,650
United States and Canada | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	289,523		239,159		544,636	463,781
United States and Canada | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	59,306		67,931		126,241	127,676
United States and Canada | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	103,420		92,355		181,980	173,193
Asia
Segment Reporting Information [Line Items]
Net sales	51,742		41,568		88,005	80,779
Asia | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	37,959		33,593		66,991	65,843
Asia | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	11,723		5,976		17,435	10,399
Asia | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	2,060		1,999		3,579	4,537
Europe and Middle East
Segment Reporting Information [Line Items]
Net sales	145,974		116,986		276,372	226,944
Europe and Middle East | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	75,352		50,802		141,963	97,295
Europe and Middle East | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	16,803		9,371		25,535	16,489
Europe and Middle East | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	53,819		56,813		108,874	113,160
Latin America
Segment Reporting Information [Line Items]
Net sales	18,163		21,344		35,694	37,267
Latin America | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	11,283		10,199		20,431	19,083
Latin America | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	5,817		9,090		13,010	15,080
Latin America | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,063		$ 2,055		$ 2,253	$ 3,104

[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.