Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Oct. 02, 2021		Sep. 26, 2020		Oct. 02, 2021		Sep. 26, 2020		Jan. 02, 2021
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 817,545		$ 634,525		$ 2,384,376		$ 1,783,961
Income from operations	[1],[2]	233,482		86,672		491,372		231,204
Depreciation		10,876		9,805		31,180		28,503
Amortization of Intangible Assets and Debt Issuance Costs	[3]	19,754		17,579		59,492		53,091
Capital Expenditures Net		10,421		7,064		29,732		29,776
Total assets		5,772,851		5,020,184		5,772,851		5,020,184		$ 5,202,474
Commercial Foodservice Equipment Group
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		511,480		371,223		1,501,413		1,081,847
Income from operations	[1],[2]	105,529		57,483		311,789	[4]	173,064
Depreciation		5,793		5,360		17,579		15,567
Amortization of Intangible Assets and Debt Issuance Costs		12,822		12,923		42,272		38,257
Capital Expenditures Net		6,391		5,279		17,599		22,152
Total assets		3,498,696		3,155,360		3,498,696		3,155,360
Food Processing Group
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		112,670		110,648		355,172		316,477
Income from operations	[1],[2]	21,425		22,860		68,048		57,801
Depreciation		1,353		1,480		4,005		4,179
Amortization of Intangible Assets and Debt Issuance Costs		1,773		1,794		5,450		5,494
Capital Expenditures Net		1,106		692		3,539		3,115
Total assets		640,229		628,156		640,229		628,156
Residential Kitchen
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		193,395		152,654		527,791		385,637
Income from operations	[1],[2]	31,322		22,626		95,088		41,860
Depreciation		3,608		2,965		9,120		8,742
Amortization of Intangible Assets and Debt Issuance Costs		3,589		2,170		7,145		7,627
Capital Expenditures Net		2,127		794		7,256		4,089
Total assets		1,578,857		1,149,550		1,578,857		1,149,550
Corporate and Other
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		0		0		0		0
Income from operations	[1],[2],[5]	75,206	[6]	(16,297)		16,447	[6]	(41,521)
Depreciation	[5]	122		0		476		15
Amortization of Intangible Assets and Debt Issuance Costs	[3],[5]	1,570		692		4,625		1,713
Capital Expenditures Net		797		299	[5]	1,338	[5]	420	[5]
Total assets	[5]	$ 55,069		$ 87,118		$ 55,069		$ 87,118

[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] Restructuring expenses are allocated in operating income by segment. See note 16 for further details.

[3] Includes amortization of deferred financing costs and Convertible Notes issuance costs

[4] Gain (loss) on sale of plants are included in Commercial Foodservice and Residential Kitchen.

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

[6] Termination fee from Welbilt merger is included in Corporate and Other.