Summary of Results of Operations for Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 27, 2014		Sep. 28, 2013		Sep. 27, 2014		Sep. 28, 2013		Dec. 28, 2013
Segment Reporting Information [Line Items]
Net sales	$ 404,289	[1]	$ 360,013	[1]	$ 1,201,543	[1]	$ 1,051,265	[1]
Income from operations	86,465	[1]	67,488	[1]	218,137		170,008
Depreciation and amortization expense	10,620	[1]	9,200	[1]	31,934		35,017
Net capital expenditures	3,121	[1]	2,960	[1]	10,107		11,056
Total assets	1,913,917		1,700,488		1,913,917		1,700,488		1,819,206
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	262,805	[1]	230,807	[1]	760,754		651,211
Income from operations	71,775	[1]	61,947	[1]	196,480	[1]	169,089
Depreciation and amortization expense	4,928	[1]	4,557	[1]	14,715	[1]	13,826
Net capital expenditures	1,616	[1]	1,705	[1]	6,082	[1]	6,491
Total assets	1,040,061		878,591		1,040,061		878,591
Food Processing
Segment Reporting Information [Line Items]
Net sales	75,219	[1]	71,209	[1]	240,748		224,583
Income from operations	15,485	[1]	8,905	[1]	44,595	[1]	34,010
Depreciation and amortization expense	2,091	[1]	2,017	[1]	6,461	[1]	6,173
Net capital expenditures	944	[1]	377	[1]	2,745	[1]	2,517
Total assets	305,585		302,239		305,585		302,239
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	66,265	[1]	57,997	[1]	200,041	[1]	175,471
Income from operations	6,624	[1]	8,498	[1]	11,618	[1]	5,173
Depreciation and amortization expense	3,201	[1]	2,215	[1]	9,524	[1]	13,799
Net capital expenditures	506	[1]	872	[1]	1,225	[1]	1,941
Total assets	494,661		434,330		494,661		434,330
Corporate and Other
Segment Reporting Information [Line Items]
Net sales	0	[1],[2]	0	[1],[2]	0		0
Income from operations	(7,419)	[1],[2]	(11,862)	[1],[2]	(34,556)		(38,264)
Depreciation and amortization expense	400	[1],[2]	411	[1],[2]	1,234		1,219
Net capital expenditures	55	[1],[2]	6	[1],[2]	55		107
Total assets	$ 73,610		$ 85,328		$ 73,610		$ 85,328

[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.