Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Dec. 29, 2018
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 724,014	$ 713,331	$ 2,171,820	$ 1,966,259
Income from operations	[1],[2]	121,345	107,677	362,013	305,979
Depreciation and amortization expense		27,137	27,833	77,272	66,455
Capital Expenditures Net		12,189	8,344	33,819	32,552
Total assets		4,928,528	4,578,609	4,928,528	4,578,609	$ 4,549,781
Commercial Foodservice Equipment Group
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		500,990	471,598	1,471,800	1,245,619
Income from operations	[1],[2]	105,099	102,091	313,482	284,645
Depreciation and amortization expense		17,643	17,558	50,233	32,907
Capital Expenditures Net		5,852	7,665	19,065	16,371
Total assets		3,162,315	2,907,387	3,162,315	2,907,387
Food Processing Group
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		89,147	88,257	279,474	270,478
Income from operations	[1],[2]	13,349	13,831	44,477	39,157
Depreciation and amortization expense		3,774	2,209	9,721	9,385
Capital Expenditures Net		3,212	318	5,289	7,274
Total assets		606,186	492,151	606,186	492,151
Residential Kitchen
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		133,877	153,476	420,546	450,162
Income from operations	[1],[2]	17,850	9,489	57,220	32,598
Depreciation and amortization expense		5,310	7,606	16,005	22,767
Capital Expenditures Net		3,125	1,779	7,061	9,421
Total assets		1,129,935	1,111,546	1,129,935	1,111,546
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],[3]	(14,953)	(17,734)	(53,166)	(50,421)
Depreciation and amortization expense	[3]	410	460	1,313	1,396
Capital Expenditures Net	[3]	0	(1,418)	2,404	(514)
Total assets	[3]	$ 30,092	$ 67,525	$ 30,092	$ 67,525

[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 17 for further details.

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