Segment Information - Results of Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013		Dec. 29, 2012	Jan. 01, 2011
Segment Reporting Information [Line Items]
Net sales		$ 534,707	$ 449,004	$ 436,291	$ 406,596	$ 434,995	$ 404,289	$ 424,776	$ 372,478	$ 1,826,598	$ 1,636,538	$ 1,428,685
Operating Income (Loss)		72,633	$ 80,030	$ 83,360	$ 66,580	82,295	86,465	$ 75,739	$ 55,933	302,603	300,432	244,462	[1]
Depreciation and amortization										54,074	41,252	43,164
Net capital expenditures										22,362	13,143	14,640
Total assets		2,761,151				2,066,131	2,066,131			2,761,151	2,066,131				$ 1,819,206
Long-lived assets	[2]					233,220					233,220	151,478			137,573
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales										1,121,046	1,041,228	895,494
Operating Income (Loss)										296,061	269,559	234,190
Depreciation and amortization										17,117	19,661	18,787
Net capital expenditures										12,123	6,752	7,227
Total assets		1,115,840					1,053,921			1,115,840					1,000,065
Long-lived assets	[2]					61,835					61,835	50,211			47,490
Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales										297,712	322,783	301,522
Operating Income (Loss)										64,650	67,395	49,528
Depreciation and amortization										5,839	6,601	8,387
Net capital expenditures										2,164	4,487	3,140
Total assets		308,677					304,241			308,677					303,289
Long-lived assets	[2]					20,307					20,307	19,627			12,475
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales										407,840	272,527	231,669
Operating Income (Loss)										4,653	14,585	10,815
Depreciation and amortization										29,515	13,356	14,148
Net capital expenditures										7,935	1,811	4,090
Total assets		1,250,503					636,680			1,250,503				$ 441,299
Long-lived assets						129,751					129,751	71,500		$ 60,570
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Net sales										0	0	0	[3]
Operating Income (Loss)										(62,761)	(51,107)	(50,071)	[3]
Depreciation and amortization										1,603	1,634	1,842	[3]
Net capital expenditures										140	93	183	[3]
Total assets		$ 86,131					$ 71,289			$ 86,131					74,553	[3]
Long-lived assets	[2],[3]					$ 21,327					$ 21,327	$ 10,140			$ 17,038

[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.