Revenue Recognition Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 634,525	$ 724,014	$ 1,783,961	$ 2,171,820
United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	445,237	490,730	1,260,088	1,448,242
Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	46,450	60,053	127,149	179,978
Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	131,419	147,764	354,425	467,742
Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	11,419	25,467	42,299	75,858
Commercial Foodservice Equipment Group
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	371,223	500,990	1,081,847	1,471,800
Commercial Foodservice Equipment Group | United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	265,793	346,616	768,202	1,004,609
Commercial Foodservice Equipment Group | Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	39,864	53,463	104,936	153,787
Commercial Foodservice Equipment Group | Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	60,603	82,244	180,187	258,102
Commercial Foodservice Equipment Group | Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	4,963	18,667	28,522	55,302
Food Processing Group
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	110,648	89,147	316,477	279,474
Food Processing Group | United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	82,126	57,255	227,770	172,944
Food Processing Group | Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	4,711	5,100	18,460	21,836
Food Processing Group | Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	18,600	21,125	57,051	67,624
Food Processing Group | Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	5,211	5,667	13,196	17,070
Residential Kitchen
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	152,654	133,877	385,637	420,546
Residential Kitchen | United States and Canada
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	97,318	86,859	264,116	270,689
Residential Kitchen | Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,875	1,490	3,753	4,355
Residential Kitchen | Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	52,216	44,395	117,187	142,016
Residential Kitchen | Latin America
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 1,245	$ 1,133	$ 581	$ 3,486