Net Sales Summary (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jul. 02, 2011		Jul. 03, 2010		Jul. 02, 2011		Jul. 03, 2010
Segment Reporting Information [Line Items]
Sales	$ 210,855	[1]	$ 173,412	[1]	$ 393,427	[1]	$ 334,095	[1]
Percent	100.00%		100.00%		100.00%		100.00%
Commercial Foodservice Equipment Group
Segment Reporting Information [Line Items]
Sales	178,271	[1]	153,418	[1]	332,004	[1]	293,955	[1]
Percent	84.50%		88.50%		84.40%		88.00%
Food Processing Group
Segment Reporting Information [Line Items]
Sales	$ 32,584	[1]	$ 19,994	[1]	$ 61,423	[1]	$ 40,140	[1]
Percent	15.50%		11.50%		15.60%		12.00%

[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.