Net Sales Summary (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jul. 02, 2011		Jun. 30, 2012		Jul. 02, 2011
Segment Reporting Information [Line Items]
Sales	$ 260,040	[1]	$ 210,855	[1]	$ 488,863	[1]	$ 393,427	[1]
Percent	100.00%		100.00%		100.00%		100.00%
Commercial Foodservice
Segment Reporting Information [Line Items]
Sales	196,546	[1]	178,271	[1]	374,816	[1]	332,004	[1]
Percent	75.60%		84.50%		76.70%		84.40%
Food Processing
Segment Reporting Information [Line Items]
Sales	$ 63,494	[1]	$ 32,584	[1]	$ 114,047	[1]	$ 61,423	[1]
Percent	24.40%		15.50%		23.30%		15.60%

[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.