ACQUISITIONS AND DISPOSITIONS (Narrative) (Detail) (USD $)								12 Months Ended																					12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Flow Control [Member]	Dec. 31, 2009 Flow Control [Member]	Dec. 31, 2011 Motion Control [Member]	Dec. 31, 2010 Motion Control [Member]	Dec. 31, 2011 Metal Treatment [Member]	Dec. 31, 2011 Anatec [Member] Flow Control [Member] wholenumber	Dec. 31, 2010 Anatec [Member] Flow Control [Member]	Dec. 31, 2011 Douglas Equipment Ltd [Member] Flow Control [Member] wholenumber	Dec. 31, 2010 Douglas Equipment Ltd [Member] Flow Control [Member]	Dec. 31, 2011 Legacy Distribution Business [Member] Flow Control [Member]	Dec. 31, 2010 Legacy Distribution Business [Member] Flow Control [Member]	Dec. 31, 2011 South Bend [Member] Motion Control [Member] wholenumber	Dec. 31, 2010 South Bend [Member] Motion Control [Member]	Dec. 31, 2011 ACRA Control Ltd [Member] Motion Control [Member] wholenumber	Mar. 31, 2011 ACRA Control Ltd [Member] Motion Control [Member]	Dec. 31, 2011 Hydrop [Member] Motion Control [Member]	Dec. 31, 2010 Hydrop [Member] Motion Control [Member]	Dec. 31, 2011 Predator Systems Inc [Member] Motion Control [Member] wholenumber	Dec. 31, 2010 Predator Systems Inc [Member] Motion Control [Member]	Dec. 31, 2011 IMR Test Labs [Member] Metal Treatment [Member]	Dec. 31, 2010 IMR Test Labs [Member] Metal Treatment [Member]	Dec. 31, 2011 BASF Surface Technologies [Member] Metal Treatment [Member] wholenumber	Dec. 31, 2010 BASF Surface Technologies [Member] Metal Treatment [Member]	Dec. 31, 2009 EST [Member] Flow Control [Member] wholenumber	Sep. 30, 2008 EST [Member] Flow Control [Member]	Dec. 31, 2009 EST [Member] Flow Control [Member] Warranty Reserves [Member]	Dec. 31, 2009 NuTorque [Member] Flow Control [Member] wholenumber	Sep. 30, 2008 NuTorque [Member] Flow Control [Member]	Dec. 31, 2010 SES [Member] Motion Control [Member] wholenumber	May 31, 2010 SES [Member] Motion Control [Member]	Dec. 31, 2010 Hybricon [Member] Motion Control [Member] wholenumber	Jun. 30, 2009 Hybricon [Member] Motion Control [Member]	Dec. 31, 2009 Skyquest [Member] Motion Control [Member]	Dec. 31, 2011 Skyquest [Member] Motion Control [Member]	Dec. 31, 2010 Skyquest [Member] Motion Control [Member]	Dec. 31, 2009 Series of Individually Immaterial Business Acquisitions [Member] Flow Control [Member]	Dec. 31, 2009 Product Line [Member] Flow Control [Member]
Business Acquisition [Line Items]
Business Acquisition Revenue Reported By Acquired Entity For Last Annual Period									$ 20,000,000		$ 28,000,000				$ 8,000,000		$ 27,100,000				$ 8,000,000		$ 14,000,000		$ 29,000,000		$ 19,600,000			$ 7,900,000		$ 7,500,000		$ 16,800,000	$ 8,000,000
Employee Date of Acquisition								50		135				63		128				45				150		99			37		41		72
Seasonal Employee Date of Acquisition								150
Union Employees Date Of Acquisition														36
Purchase price			54,143,000	45,332,000	85,436,000	40,139,000	38,501,000	34,049,000		20,094,000				10,880,000		61,053,000				13,503,000		20,000,000		20,501,000		40,000,000			5,332,000		21,163,000		18,976,000		15,790,000			5,500,000
Business Acquisition Effective Date Of Acquisition								Dec. 02, 2011		Apr. 06, 2011				Oct. 11, 2011		Jul. 28, 2011				Jan. 07, 2011		Jul. 22, 2011		Apr. 08, 2011		Mar. 05, 2009			Jan. 16, 2009		Jun. 21, 2010		June. 01, 2010		Dec. 18, 2009
Business Acquisition, Contingent Consideration, at Fair Value, Current	4,983,000	5,582,000																				1,600,000														2,200,000	700,000
Holdback							2,000,000															2,000,000						900,000							2,925,000
Disposals Or Sale Proceeds												4,600,000						3,500,000																					2,500,000
Disposal Date												Jul. 29, 2011						Sep. 29, 2011
Disposal Group Including Discontinued Operation Operating Income Loss												100,000
Disposal Group Including Discontinued Operation Revenue													13,700,000						800,000
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax													300,000					1,300,000
Business Acquisition Purchase Price Allocation Intangibles Expected Tax Deductible Amount																													$ 800,000