Segment Information - Results of Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015		Sep. 27, 2014	Dec. 29, 2012	Jan. 01, 2011
Segment Reporting Information [Line Items]
Net sales		$ 596,817	$ 574,224	$ 580,456	$ 516,355	$ 534,707	$ 449,004	$ 436,291	$ 406,596	$ 2,267,852	$ 1,826,598	$ 1,636,538
Operating Income (Loss)		126,498	$ 121,439	$ 111,913	$ 86,375	72,633	$ 80,030	$ 83,360	$ 66,580	446,225	302,603	300,432	[1]
Depreciation and amortization										58,234	54,074	41,252
Net capital expenditures										24,817	22,362	13,143
Total assets		2,917,136				2,761,151				2,917,136	2,761,151			$ 2,761,151		$ 2,066,131
Long-lived assets	[2]					316,544					316,544	233,220				151,478
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales										1,266,955	1,121,046	1,041,228
Operating Income (Loss)										350,315	296,061	269,559
Depreciation and amortization										19,548	17,117	19,661
Net capital expenditures										11,958	12,123	6,752
Total assets		1,347,441								1,347,441				1,115,840		1,053,921
Long-lived assets	[2]					84,475					84,475	61,835				50,211
Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales										342,235	297,712	322,783
Operating Income (Loss)										87,039	64,650	67,395
Depreciation and amortization										5,696	5,839	6,601
Net capital expenditures										5,667	2,164	4,487
Total assets		340,088								340,088				308,677		304,241
Long-lived assets	[2]					21,763					21,763	20,307				19,627
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales										658,662	407,840	272,527
Operating Income (Loss)										89,435	4,653	14,585
Depreciation and amortization										29,897	29,515	13,356
Net capital expenditures										6,961	7,935	1,811
Total assets		1,179,640								1,179,640				1,250,503	$ 636,680
Long-lived assets						175,206					175,206	129,751			$ 71,500
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Net sales										0	0	0	[3]
Operating Income (Loss)										(80,564)	(62,761)	(51,107)	[3]
Depreciation and amortization										3,093	1,603	1,634	[3]
Net capital expenditures										231	140	93	[3]
Total assets		$ 49,967								$ 49,967				$ 86,131		71,289	[3]
Long-lived assets	[2],[3]					$ 35,100					$ 35,100	$ 21,327				$ 10,140

[1] Non-operating expenses are not allocated to the reportable 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] .

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