Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018	Dec. 29, 2018
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 761,004	$ 668,128	$ 1,447,806	$ 1,252,928
Income from operations	[1],[2]	139,607	111,310	240,668	198,302
Depreciation and amortization expense		24,621	18,598	50,135	38,622
Capital Expenditures Net		13,535	7,551	21,630	24,208
Total assets		4,886,669	4,602,203	4,886,669	4,602,203	$ 4,549,781
Commercial Foodservice Equipment Group
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		513,279	414,117	970,810	774,021
Income from operations	[1],[2]	111,572	100,008	208,383	182,554
Depreciation and amortization expense		16,410	7,349	32,590	15,349
Capital Expenditures Net		7,240	2,929	13,213	8,706
Total assets		3,190,584	2,889,677	3,190,584	2,889,677
Food Processing Group
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		97,853	93,649	190,327	182,221
Income from operations	[1],[2]	18,542	14,648	31,128	25,326
Depreciation and amortization expense		2,423	3,129	5,947	7,176
Capital Expenditures Net		1,376	460	2,077	6,956
Total assets		528,008	497,439	528,008	497,439
Residential Kitchen
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		149,872	160,362	286,669	296,686
Income from operations	[1],[2]	20,599	16,520	39,370	23,109
Depreciation and amortization expense		5,336	7,652	10,695	15,161
Capital Expenditures Net		2,515	2,744	3,936	7,642
Total assets		1,136,859	1,133,356	1,136,859	1,133,356
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]	(11,106)	(19,866)	(38,213)	(32,687)
Depreciation and amortization expense	[3]	452	468	903	936
Capital Expenditures Net	[3]	2,404	1,418	2,404	904
Total assets	[3]	$ 31,218	$ 81,731	$ 31,218	$ 81,731

[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.