Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jul. 04, 2015		Jun. 28, 2014		Jul. 04, 2015	Jun. 28, 2014	Jan. 03, 2015
Segment Reporting Information [Line Items]
Net sales	[1]	$ 436,291		$ 424,776		$ 842,887	$ 797,254
Income from operations		83,360	[1]	75,739	[1]	149,940	131,672
Depreciation and amortization expense		10,928	[1]	10,793	[1]	22,160	21,314
Net capital expenditures		5,567	[1]	3,755	[1]	11,684	6,986
Total assets		2,155,948		1,926,099		2,155,948	1,926,099	$ 2,066,131
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales		288,831	[1]	263,899	[1]	551,047	497,949
Income from operations		77,616	[1]	69,743	[1]	141,342	124,705
Depreciation and amortization expense		5,027	[1]	4,903	[1]	10,293	9,787
Net capital expenditures		3,296	[1]	2,223	[1]	7,920	4,466
Total assets		1,159,298		1,025,374		1,159,298	1,025,374
Food Processing
Segment Reporting Information [Line Items]
Net sales		71,913	[1]	89,943	[1]	141,732	165,529
Income from operations		14,176	[1]	16,988	[1]	27,486	29,110
Depreciation and amortization expense		3,545	[1]	2,249	[1]	4,982	4,370
Net capital expenditures		1,782	[1]	1,352	[1]	2,137	1,801
Total assets		314,282		322,864		314,282	322,864
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales		75,547	[1]	70,934	[1]	150,108	133,776
Income from operations		9,101	[1]	4,787	[1]	14,042	4,994
Depreciation and amortization expense		2,260	[1]	3,232	[1]	6,389	6,323
Net capital expenditures		309	[1]	180	[1]	1,369	719
Total assets		629,210		496,324		629,210	496,324
Corporate and Other
Segment Reporting Information [Line Items]
Net sales		0	[1],[2]	0	[1],[2]	0	0
Income from operations		(17,533)	[1],[2]	(15,779)	[1],[2]	(32,930)	(27,137)
Depreciation and amortization expense		96	[1],[2]	409	[1],[2]	496	834
Net capital expenditures		180	[1],[2]	0	[1],[2]	258	0
Total assets		$ 53,158		$ 81,537		$ 53,158	$ 81,537

[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.