Net Sales Summary (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2012		Oct. 01, 2011		Sep. 29, 2012		Oct. 01, 2011
Segment Reporting Information [Line Items]
Sales	$ 257,699	[1]	$ 218,720	[1]	$ 746,562	[1]	$ 612,147	[1]
Percent	100.00%		100.00%		100.00%		100.00%
Commercial Foodservice
Segment Reporting Information [Line Items]
Sales	198,615	[1]	189,133	[1]	573,431	[1]	521,137	[1]
Percent	77.10%		86.50%		76.80%		85.10%
Food Processing
Segment Reporting Information [Line Items]
Sales	$ 59,084	[1]	$ 29,587	[1]	$ 173,131	[1]	$ 91,010	[1]
Percent	22.90%		13.50%		23.20%		14.90%

[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.