Net Sales Summary (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 29, 2018		Sep. 30, 2017		Sep. 29, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Net sales	$ 713,331	[1]	$ 593,043	[1]	$ 1,966,259	$ 1,702,683
Percent	100.00%		100.00%		100.00%	100.00%
Income from operations	$ 107,677	[1]	$ 109,444	[1]	$ 305,979	$ 315,709
Depreciation and amortization expense	27,833	[1]	16,961	[1]	66,455	49,276
Capital Expenditures Net	8,344	[1]	12,144	[1]	32,552	42,434
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	$ 471,598	[1]	$ 354,828	[1]	$ 1,245,619	$ 1,000,830
Percent	66.10%		59.80%		63.30%	58.80%
Income from operations	$ 102,091	[1]	$ 89,028	[1]	$ 284,645	$ 264,576
Depreciation and amortization expense	17,558	[1]	6,977	[1]	32,907	20,455
Capital Expenditures Net	7,665	[1]	7,978	[1]	16,371	34,727
Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	$ 88,257	[1]	$ 86,871	[1]	$ 270,478	$ 256,515
Percent	12.40%		14.70%		13.80%	15.10%
Income from operations	$ 13,831	[1]	$ 19,975	[1]	$ 39,157	$ 62,163
Depreciation and amortization expense	2,209	[1]	2,101	[1]	9,385	5,145
Capital Expenditures Net	318	[1]	484	[1]	7,274	2,430
Corporate and Other
Segment Reporting Information [Line Items]
Net sales	0	[1],[2]	0	[1],[2]	0	0
Income from operations	(17,734)	[1],[2]	(15,833)	[1],[2]	(50,421)	(51,272)
Depreciation and amortization expense	460	[1],[2]	461	[1],[2]	1,396	1,420
Capital Expenditures Net	(1,418)	[1],[2]	869	[1],[2]	(514)	(479)
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	$ 153,476	[1]	$ 151,344	[1]	$ 450,162	$ 445,338
Percent	21.50%		25.50%		22.90%	26.10%
Income from operations	$ 9,489	[1]	$ 16,274	[1]	$ 32,598	$ 40,242
Depreciation and amortization expense	7,606	[1]	7,422	[1]	22,767	22,256
Capital Expenditures Net	1,779	[1]	2,813	[1]	9,421	5,756
United States and Canada
Segment Reporting Information [Line Items]
Net sales	474,333		394,666		1,327,190	1,159,316
United States and Canada | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	318,962		243,233		863,598	707,014
United States and Canada | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	57,235		61,612		183,476	189,288
United States and Canada | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	98,136		89,821		280,116	263,014
Asia
Segment Reporting Information [Line Items]
Net sales	59,113		45,376		147,118	126,155
Asia | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	50,996		38,755		117,987	104,598
Asia | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	6,464		4,543		23,899	14,942
Asia | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	1,653		2,078		5,232	6,615
Europe and Middle East
Segment Reporting Information [Line Items]
Net sales	154,893		131,707		431,265	358,651
Europe and Middle East | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	83,763		61,327		225,726	158,622
Europe and Middle East | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	19,194		12,606		44,729	29,095
Europe and Middle East | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	51,936		57,774		160,810	170,934
Latin America
Segment Reporting Information [Line Items]
Net sales	24,992		21,294		60,686	58,561
Latin America | Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	17,877		11,513		38,308	30,596
Latin America | Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales	5,364		8,110		18,374	23,190
Latin America | Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,751		$ 1,671		$ 4,004	$ 4,775

[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.