ACQUISITIONS (Narrative) (Detail) (USD $)	12 Months Ended									12 Months Ended				12 Months Ended						12 Months Ended						9 Months Ended	12 Months Ended
	Dec. 31, 2012 numberacquisition	Dec. 31, 2011 numberacquisition	Dec. 31, 2010 numberacquisition	Dec. 31, 2012 Flow Control [Member]	Dec. 31, 2011 Flow Control [Member]	Dec. 31, 2012 Controls [Member]	Dec. 31, 2011 Controls [Member]	Dec. 31, 2010 Controls [Member]	Dec. 31, 2011 Surface Technologies [Member]	Dec. 31, 2012 SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember Flow Control [Member]	Dec. 31, 2012 Cimarron Energy [Member] Flow Control [Member]	Dec. 31, 2011 Cimarron Energy [Member] Flow Control [Member]	Dec. 31, 2012 AP Services LLC [Member]	Dec. 31, 2012 AP Services LLC [Member] Flow Control [Member]	Dec. 31, 2011 AP Services LLC [Member] Flow Control [Member]	Dec. 31, 2011 Anatec [Member] numberemployee	Dec. 31, 2011 Anatec [Member] Flow Control [Member] numberemployee	Dec. 31, 2010 Anatec [Member] Flow Control [Member]	Dec. 31, 2012 Anatec [Member] Flow Control [Member]	Dec. 31, 2011 Douglas Equipment Ltd [Member] Flow Control [Member] numberemployee	Dec. 31, 2010 Douglas Equipment Ltd [Member] Flow Control [Member]	Dec. 31, 2012 Exlar [Member] Controls [Member] numberemployee	Dec. 31, 2011 Exlar [Member] Controls [Member]	Dec. 31, 2012 PG Drives [Member] Controls [Member] numberemployee	Dec. 31, 2011 PG Drives [Member] Controls [Member]	Sep. 30, 2012 Williams Controls [Member] Controls [Member]	Dec. 31, 2012 Williams Controls [Member] Controls [Member] numberemployee	Dec. 31, 2011 South Bend [Member] Controls [Member] numberemployee	Dec. 31, 2010 South Bend [Member] Controls [Member]	Dec. 31, 2011 ACRA Control Ltd [Member] Controls [Member] numberemployee	Mar. 31, 2011 ACRA Control Ltd [Member] Controls [Member]	Dec. 31, 2011 Predator Systems Inc [Member] Controls [Member] numberemployee	Dec. 31, 2010 Predator Systems Inc [Member] Controls [Member]	Dec. 31, 2010 SES [Member] Controls [Member] numberemployee	May 31, 2010 SES [Member] Controls [Member]	Dec. 31, 2010 Hybricon [Member] Controls [Member] numberemployee	Jun. 30, 2009 Hybricon [Member] Controls [Member]	Dec. 31, 2012 Gartner [Member] Surface Technologies [Member] numberemployee	Dec. 31, 2011 Gartner [Member] Surface Technologies [Member]	Dec. 31, 2011 IMR Test Labs [Member] Surface Technologies [Member] numberemployee	Dec. 31, 2010 IMR Test Labs [Member] Surface Technologies [Member]	Dec. 31, 2011 BASF Surface Technologies [Member] Surface Technologies [Member] numberemployee	Dec. 31, 2010 BASF Surface Technologies [Member] Surface Technologies [Member]
Business Acquisition [Line Items]
NumberOfBusinessesAcquired	8	8	2
Business Acquisition, Effective Date of Acquisition											Nov. 21, 2012			Nov. 05, 2012			Dec. 01, 2011			Apr. 06, 2011		Dec. 28, 2012		Nov. 01, 2012			Oct. 31, 2012	Oct. 11, 2011		Nov. 07, 2028		Jan. 07, 2011		Jun. 21, 2010		Jun. 01, 2010		Dec. 31, 2012		Jul. 22, 2011		Apr. 08, 2011
Employee Date of Acquisition											368,000			84,000			50			135		183		186			294	63		128		45		41		72		115		115		150
BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod												$ 98,000,000			$ 23,000,000			$ 20,000,000			$ 28,000,000		$ 40,000,000		$ 58,000,000	$ 64,400,000			$ 8,000,000		$ 27,100,000		$ 8,000,000		$ (7,500,000)		$ (16,800,000)		$ 19,000,000		$ 14,000,000		$ 29,000,000
BusinessAcquisitionCostOfAcquiredEntityCashPaid														30,000,000
Seasonal Employees																150
BusinessAcquisitionSharePrice																											$ 15.42
CashAcquiredFromAcquisition																											10,200,000
Business Acquisition, Cost of Acquired Entity, Purchase Price	460,439,000	180,277,000	40,139,000	170,176,000	55,295,000	257,963,000	85,731,000	40,139,000	39,251,000	6,625,000	132,665,000		30,886,000				35,201,000			20,094,000		84,311,000		63,219,000			110,433,000	11,175,000		61,053,000		13,503,000		21,163,000		18,976,000		32,300,000		18,750,000		20,501,000
Business Acquisition Assets Exceeded Purchase Price										300,000
BusinessCombinationBargainPurchaseGainRecognizedAmount	910,000	0	0	910,000						910,000
Business Acquisition Contingent Consideration Additional Cash Payment														900,000														300,000
BusinessAcquisitionPreacquisitionContingencyAmount																			1,200,000																					1,600,000
Business Combination Consideration Transferred Working Capital																																								200,000
Business Combination Consideration Transferred Earn Out																																								600,000
Intangible assets	$ 185,520,000	$ 55,180,000								$ 1,200,000