Acquisitions and Purchase Accounting - Additional Information (Details) (USD $)				1 Months Ended						1 Months Ended		1 Months Ended									1 Months Ended		1 Months Ended		1 Months Ended					1 Months Ended		1 Months Ended						0 Months Ended		0 Months Ended								1 Months Ended		1 Months Ended						1 Months Ended		1 Months Ended		1 Months Ended				1 Months Ended				1 Months Ended
	Sep. 05, 2012 as initially reported	Apr. 12, 2011 Beech	Apr. 12, 2011 Beech Commercial Foodservice Trade Names	Apr. 30, 2011 Beech Commercial Foodservice Backlog M	Apr. 12, 2011 Beech Commercial Foodservice Backlog	May 27, 2011 Lincat	May 27, 2011 Lincat Measurement Period Adjustments	May 27, 2011 Lincat as initially reported	May 27, 2011 Lincat Commercial Foodservice Trade Names	May 31, 2011 Lincat Commercial Foodservice Backlog M	May 27, 2011 Lincat Commercial Foodservice Backlog	May 31, 2011 Lincat Commercial Foodservice Customer Relationships Y	May 27, 2011 Lincat Commercial Foodservice Customer Relationships	Jul. 31, 2011 Danfotech	Jul. 05, 2011 Danfotech	Jul. 05, 2011 Danfotech Measurement Period Adjustments	Jul. 05, 2011 Danfotech as initially reported	Jul. 05, 2011 Danfotech Book and Tax Basis Difference Tangible Assets and Liability Accounts	Jul. 05, 2011 Danfotech Book and Tax Basis Difference Intangible Assets	Jul. 05, 2011 Danfotech Food Processing Trade Names	Jul. 31, 2011 Danfotech Food Processing Backlog M	Jul. 05, 2011 Danfotech Food Processing Backlog Maximum	Jul. 31, 2011 Danfotech Food Processing Customer Relationships Y	Jul. 05, 2011 Danfotech Food Processing Customer Relationships	Jul. 31, 2011 Danfotech Food Processing Developed Technology Y	Jul. 05, 2011 Danfotech Food Processing Developed Technology	Jul. 22, 2011 Maurer	Jul. 22, 2011 Maurer Measurement Period Adjustments	Jul. 22, 2011 Maurer Food Processing Trade Names	Jul. 31, 2011 Maurer Food Processing Customer Relationships Y	Jul. 22, 2011 Maurer Food Processing Customer Relationships	Jul. 31, 2011 Maurer Food Processing Developed Technology Y	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 as initially reported	Aug. 01, 2011 Auto-Bake Food Processing Trade Names	Sep. 02, 2011 Auto-Bake Food Processing Backlog M	Aug. 01, 2011 Auto-Bake Food Processing Backlog	Sep. 02, 2011 Auto-Bake Food Processing Customer Relationships Y	Aug. 01, 2011 Auto-Bake Food Processing Customer Relationships	Dec. 02, 2011 Drake	Dec. 02, 2011 Drake Measurement Period Adjustments	Dec. 02, 2011 Drake as initially reported	Dec. 02, 2011 Drake Book and Tax Basis Difference Tangible Assets and Liability Accounts	Dec. 02, 2011 Drake Book and Tax Basis Difference Intangible Assets	Dec. 02, 2011 Drake Trade Names	Dec. 31, 2011 Drake Backlog M	Dec. 02, 2011 Drake Backlog	Dec. 31, 2011 Drake Customer Relationships Y	Dec. 02, 2011 Drake Customer Relationships	Dec. 21, 2011 Armor Inox	Dec. 21, 2011 Armor Inox Measurement Period Adjustments	Dec. 21, 2011 Armor Inox as initially reported	Dec. 21, 2011 Armor Inox Trade Names	Dec. 31, 2011 Armor Inox Backlog Y	Dec. 21, 2011 Armor Inox Backlog	Dec. 31, 2011 Armor Inox Customer Relationships Y	Dec. 21, 2011 Armor Inox Customer Relationships	Dec. 31, 2011 Armor Inox Developed Technology Y	Dec. 21, 2011 Armor Inox Developed Technology	Mar. 14, 2012 Baker	Mar. 14, 2012 Baker Customer Relationships	Dec. 31, 2011 Baker Developed Technology Y	Sep. 05, 2012 Stewart [Member]	Sep. 05, 2012 Stewart [Member] as initially reported	Sep. 05, 2012 Stewart [Member] Food Processing Trade Names	Sep. 30, 2012 Stewart [Member] Food Processing Backlog Y	Sep. 30, 2012 Stewart [Member] Food Processing Backlog M	Sep. 05, 2012 Stewart [Member] Food Processing Backlog	Sep. 05, 2012 Stewart [Member] Food Processing Customer Relationships	Sep. 05, 2012 Stewart [Member] Food Processing Developed Technology
Business Acquisition [Line Items]
Acquisition, purchase price		$ 13,000,000				$ 82,100,000									$ 6,100,000												$ 3,300,000	$ 600,000						$ 22,500,000								$ 21,700,000										$ 28,700,000										$ 10,300,000			$ 28,000,000
Acquisition, other intangibles subject to non-amortization provision			1,900,000						15,200,000											600,000									600,000								2,000,000										3,200,000								3,900,000												3,500,000
Acquisition, other intangibles, amortized					100,000						500,000		17,600,000									100,000		400,000		100,000					300,000		100,000						200,000		1,900,000								100,000		2,500,000						5,200,000		1,300,000		1,800,000		800,000							1,000,000	2,000,000	400,000
Acquisition, other intangibles, amortization period				3						3		5									3		4		3					4		3						3		5								1		5						2		5		6				5				5	3
Acquisition, additional assets purchased															730,000	730,000	0
Working capital adjustment, refund														400,000
Long-term deferred tax liabilities						9,650,000	(4,153,000)	13,803,000							137,000	91,000	46,000	100,000	100,000															1,218,000	(817,000)	2,035,000																3,975,000	0	3,975,000
Current deferred tax asset															235,000	235,000	0																									390,000	0	390,000	400,000
Long-term deferred tax liability																																										(2,395,000)	0	(2,395,000)	(100,000)	2,500,000
Business Acquisition, Contingent Consideration, at Fair Value	$ 4,000,000														$ 1,500,000	$ 0	$ 1,500,000																																																	$ 4,000,000