ACQUISITIONS AND PURCHASE ACCOUNTING - Additional Information (Detail) (USD $)			12 Months Ended		12 Months Ended		1 Months Ended	3 Months Ended		12 Months Ended		12 Months Ended				12 Months Ended					12 Months Ended		12 Months Ended						12 Months Ended		12 Months Ended		12 Months Ended					12 Months Ended		12 Months Ended					12 Months Ended		12 Months Ended						12 Months Ended		12 Months Ended				12 Months Ended		12 Months Ended		12 Months Ended
	Jul. 13, 2010 PerfectFry	Jul. 13, 2010 PerfectFry Commercial Foodservice Trade Names	Dec. 31, 2011 PerfectFry Commercial Foodservice Customer Relationships Year	Jul. 13, 2010 PerfectFry Commercial Foodservice Customer Relationships	Dec. 31, 2011 PerfectFry Commercial Foodservice Developed Technology Year	Jul. 13, 2010 PerfectFry Commercial Foodservice Developed Technology	Sep. 21, 2010 Cozzini	Apr. 02, 2011 Cozzini	Sep. 21, 2010 Cozzini Food Processing Trade Names	Dec. 31, 2011 Cozzini Food Processing Customer Relationships Year	Sep. 21, 2010 Cozzini Food Processing Customer Relationships	Dec. 31, 2011 Cozzini Food Processing Backlog Month	Sep. 21, 2010 Cozzini Food Processing Backlog	Apr. 12, 2011 Beech	Apr. 12, 2011 Beech Commercial Foodservice Trade Names	Dec. 31, 2011 Beech Commercial Foodservice Backlog Month	Apr. 12, 2011 Beech Commercial Foodservice Backlog	May 27, 2011 Lincat	May 27, 2011 Lincat Measurement Period Adjustments	May 27, 2011 Lincat Commercial Foodservice Trade Names	Dec. 31, 2011 Lincat Commercial Foodservice Customer Relationships Year	May 27, 2011 Lincat Commercial Foodservice Customer Relationships	Dec. 31, 2011 Lincat Commercial Foodservice Backlog Month	May 27, 2011 Lincat Commercial Foodservice Backlog	Jul. 05, 2011 Danfotech	Jul. 05, 2011 Danfotech Measurement Period Adjustments	Jul. 05, 2011 Danfotech Book and Tax Basis Difference Intangible Assets	Jul. 05, 2011 Danfotech Food Processing Trade Names	Dec. 31, 2011 Danfotech Food Processing Customer Relationships Year	Jul. 05, 2011 Danfotech Food Processing Customer Relationships	Dec. 31, 2011 Danfotech Food Processing Developed Technology Year	Jul. 05, 2011 Danfotech Food Processing Developed Technology	Dec. 31, 2011 Danfotech Food Processing Backlog Year	Jul. 05, 2011 Danfotech Food Processing Backlog Maximum	Jul. 22, 2011 Maurer	Jul. 22, 2011 Maurer Measurement Period Adjustments	Jul. 22, 2011 Maurer Food Processing Trade Names	Dec. 31, 2011 Maurer Food Processing Customer Relationships Year	Jul. 22, 2011 Maurer Food Processing Customer Relationships	Dec. 31, 2011 Maurer Food Processing Developed Technology Year	Jul. 22, 2011 Maurer Food Processing Developed Technology	Aug. 01, 2011 Auto-Bake	Aug. 01, 2011 Auto-Bake Measurement Period Adjustments	Aug. 01, 2011 Auto-Bake Food Processing Trade Names	Dec. 31, 2011 Auto-Bake Food Processing Customer Relationships Year	Aug. 01, 2011 Auto-Bake Food Processing Customer Relationships	Dec. 31, 2011 Auto-Bake Food Processing Backlog Month	Aug. 01, 2011 Auto-Bake Food Processing Backlog	Dec. 02, 2011 Drake	Dec. 02, 2011 Drake Book and Tax Basis Difference Intangible Assets	Dec. 02, 2011 Drake Book and Tax Basis Difference Tangible Assets and Liability Accounts	Dec. 02, 2011 Drake Trade Names	Dec. 31, 2011 Drake Customer Relationships Year	Dec. 02, 2011 Drake Customer Relationships	Dec. 31, 2011 Drake Backlog Month	Dec. 02, 2011 Drake Backlog	Dec. 21, 2011 Armor Inox	Dec. 21, 2011 Armor Inox Trade Names	Dec. 31, 2011 Armor Inox Customer Relationships Year	Dec. 21, 2011 Armor Inox Customer Relationships	Dec. 31, 2011 Armor Inox Developed Technology Year	Dec. 21, 2011 Armor Inox Developed Technology	Dec. 31, 2011 Armor Inox Backlog Year	Dec. 21, 2011 Armor Inox Backlog
Business Acquisition [Line Items]
Acquisition, purchase price	$ 4,600,000						$ 19,200,000							$ 13,000,000				$ 82,100,000							$ 6,100,000										$ 3,300,000	$ (600,000)						$ 22,500,000							$ 21,700,000								$ 28,700,000
Acquisition, purchase price, cash							17,400,000
Acquisition, additional assets purchased																									730,000	730,000
Acquisition, purchase price, shares							34,263
Acquisition, purchase price, stock value							1,800,000
Acquisitions, earnout /contingent payment made								2,000,000
Acquisition, other intangibles subject to non-amortization provision		1,200,000							3,600,000						1,900,000					15,200,000								600,000									600,000							2,000,000								3,200,000						3,900,000
Acquisition, other intangibles, amortized				300,000		100,000					2,700,000		1,400,000				100,000					17,600,000		500,000						400,000		100,000		100,000					300,000		100,000					1,900,000		200,000						2,500,000		100,000				1,300,000		1,800,000		5,200,000
Acquisition, other intangibles, amortization period			5		5					4		3				3					5		3						4		3		3					4		3					5		3						5		1				5		6		2
Long-term deferred tax liabilities																		(7,971,000)	5,832,000						(190,000)	(144,000)	100,000															(1,218,000)	817,000														(3,975,000)
Current deferred tax asset																																																	390,000		400,000
Long-term deferred tax liability																																																	$ 2,395,000	$ 2,300,000	$ 100,000