Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Oct. 03, 2015		Sep. 27, 2014		Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015
Segment Reporting Information [Line Items]
Net sales	[1]	$ 449,004		$ 404,289		$ 1,291,891	$ 1,201,543
Income from operations		80,030	[1]	86,465	[1]	229,970	218,137
Depreciation and amortization expense		11,823	[1]	10,620	[1]	33,983	31,934
Net capital expenditures		6,308	[1]	3,121	[1]	17,992	10,107
Total assets		2,710,779		1,913,917		2,710,779	1,913,917	$ 2,066,131
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales		290,885	[1]	262,805	[1]	841,932	760,754
Income from operations		77,245	[1]	71,775	[1]	218,587	196,480
Depreciation and amortization expense		2,414	[1]	4,928	[1]	12,707	14,715
Net capital expenditures		2,801	[1]	1,616	[1]	10,721	6,082
Total assets		1,114,479		1,040,061		1,114,479	1,040,061
Food Processing Group [Member]
Segment Reporting Information [Line Items]
Net sales		74,178	[1]	75,219	[1]	215,910	240,748
Income from operations		14,048	[1]	15,485	[1]	41,534	44,595
Depreciation and amortization expense		24	[1]	2,091	[1]	5,006	6,461
Net capital expenditures		(607)	[1]	944	[1]	1,530	2,745
Total assets		313,109		305,585		313,109	305,585
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales		83,941	[1]	66,265	[1]	234,049	200,041
Income from operations		6,404	[1]	6,624	[1]	20,446	11,618
Depreciation and amortization expense		8,677	[1]	3,201	[1]	15,066	9,524
Net capital expenditures		4,231	[1]	506	[1]	5,600	1,225
Total assets		1,192,147		494,661		1,192,147	494,661
Corporate and Other
Segment Reporting Information [Line Items]
Net sales		0	[1],[2]	0	[1],[2]	0	0
Income from operations		(17,667)	[1],[2]	(7,419)	[1],[2]	(50,597)	(34,556)
Depreciation and amortization expense		708	[1],[2]	400	[1],[2]	1,204	1,234
Net capital expenditures		(117)	[1],[2]	55	[1],[2]	141	55
Total assets		$ 91,044		$ 73,610		$ 91,044	$ 73,610

[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.