Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jul. 02, 2016		Jul. 04, 2015		Jul. 02, 2016	Jul. 04, 2015	Jan. 02, 2016	Sep. 27, 2014
Segment Reporting Information [Line Items]
Net sales	[1]	$ 580,456		$ 436,291		$ 1,096,811	$ 842,887
Income from operations		111,913	[1]	83,360	[1]	198,288	149,940
Depreciation and amortization expense		16,310	[1]	10,928	[1]	31,240	22,160
Net capital expenditures		5,415	[1]	5,567	[1]	13,108	11,684
Total assets		2,931,670				2,931,670		$ 2,761,151	$ 2,155,948
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales		321,028	[1]	288,831	[1]	600,014	551,047
Income from operations		93,732	[1]	77,616	[1]	170,301	141,342
Depreciation and amortization expense		5,575	[1]	5,027	[1]	9,946	10,293
Net capital expenditures		3,322	[1]	3,296	[1]	7,506	7,920
Total assets		1,367,664				1,367,664			1,159,298
Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales		83,475	[1]	71,913	[1]	162,111	141,732
Income from operations		19,186	[1]	14,176	[1]	37,049	27,486
Depreciation and amortization expense		1,520	[1]	3,545	[1]	2,958	4,982
Net capital expenditures		884	[1]	1,782	[1]	2,682	2,137
Total assets		321,694				321,694			314,282
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales		175,953	[1]	75,547	[1]	334,686	150,108
Income from operations		22,364	[1]	9,101	[1]	32,215	14,042
Depreciation and amortization expense		8,238	[1]	2,260	[1]	16,942	6,389
Net capital expenditures		1,078	[1]	309	[1]	2,789	1,369
Total assets		1,195,379				1,195,379			629,210
Corporate and Other
Segment Reporting Information [Line Items]
Net sales		0	[1],[2]	0	[1],[2]	0	0
Income from operations		(23,369)	[1],[2]	(17,533)	[1],[2]	(41,277)	(32,930)
Depreciation and amortization expense		977	[1],[2]	96	[1],[2]	1,394	496
Net capital expenditures		131	[1],[2]	$ 180	[1],[2]	131	$ 258
Total assets		$ 46,933				$ 46,933			$ 53,158

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