Changes in the Carrying Amount of Goodwill (Detail) (USD $) In Thousands	9 Months Ended
	Oct. 01, 2011
Goodwill [Line Items]
Balance as of January 1, 2011	$ 369,989
Goodwill acquired during the year	75,998
Adjustments to prior year acquisitions	(1,277)
Foreign exchange rate effect	(5,010)
Balance as of October 1, 2011	439,700
Commercial Foodservice Equipment Group
Goodwill [Line Items]
Balance as of January 1, 2011	330,501
Goodwill acquired during the year	55,446
Adjustments to prior year acquisitions	(1,272)
Foreign exchange rate effect	(3,142)
Balance as of October 1, 2011	381,533
Food Processing Group
Goodwill [Line Items]
Balance as of January 1, 2011	39,488
Goodwill acquired during the year	20,552
Adjustments to prior year acquisitions	(5)
Foreign exchange rate effect	(1,868)
Balance as of October 1, 2011	$ 58,167