Changes in the Carrying Amount of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011
Goodwill [Line Items]
Balance beginning of period	$ 369,989	$ 358,506
Goodwill acquired during the year	113,690	11,517
Measurement period adjustments to goodwill acquired in prior year	(1,277)
Exchange effect	(4,590)	(34)
Balance end of period	477,812	369,989
Commercial Foodservice
Goodwill [Line Items]
Balance beginning of period	330,501	326,980
Goodwill acquired during the year	49,204	3,555
Measurement period adjustments to goodwill acquired in prior year	(1,272)
Exchange effect	(3,081)	(34)
Balance end of period	375,352	330,501
Food Processing
Goodwill [Line Items]
Balance beginning of period	39,488	31,526
Goodwill acquired during the year	64,486	7,962
Measurement period adjustments to goodwill acquired in prior year	(5)
Exchange effect	(1,509)
Balance end of period	$ 102,460	$ 39,488