Net Sales Summary (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Oct. 01, 2011		Oct. 02, 2010		Oct. 01, 2011		Oct. 02, 2010
Segment Reporting Information [Line Items]
Sales	$ 218,720	[1]	$ 177,793	[1]	$ 612,147	[1]	$ 511,888	[1]
Percent	100.00%		100.00%		100.00%		100.00%
Commercial Foodservice Equipment Group
Segment Reporting Information [Line Items]
Sales	189,133	[1]	156,081	[1]	521,137	[1]	450,036	[1]
Percent	86.50%		87.80%		85.10%		87.90%
Food Processing Group
Segment Reporting Information [Line Items]
Sales	$ 29,587	[1]	$ 21,712	[1]	$ 91,010	[1]	$ 61,852	[1]
Percent	13.50%		12.20%		14.90%		12.10%

[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.