Revenue Recognition Disaggregation of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 30, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	[1]	$ 686,802	$ 584,800
United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		441,222	400,608
Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		58,373	36,263
Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		161,129	130,398
Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		26,078	17,531
Commercial Foodservice Equipment Group
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	[1]	457,531	359,904
Commercial Foodservice Equipment Group | United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		300,275	255,113
Commercial Foodservice Equipment Group | Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		48,293	29,032
Commercial Foodservice Equipment Group | Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		89,896	66,611
Commercial Foodservice Equipment Group | Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		19,067	9,148
Residential Kitchen
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	[1]	136,797	136,324
Residential Kitchen | United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		83,358	78,560
Residential Kitchen | Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,398	1,519
Residential Kitchen | Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		50,615	55,055
Residential Kitchen | Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,426	1,190
Food Processing Group
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	[1]	92,474	88,572
Food Processing Group | United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		57,589	66,935
Food Processing Group | Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		8,682	5,712
Food Processing Group | Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		20,618	8,732
Food Processing Group | Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 5,585	$ 7,193

[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.