SEGMENT INFORMATION (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Net sales	$ 590,447	$ 479,222	$ 526,386	$ 501,661	$ 550,475	$ 509,120	$ 506,349	$ 450,798	$ 2,097,716	$ 2,016,742	$ 1,854,513
Operating income									161,446	186,854	166,685
Depreciation and amortization									93,896	88,300	79,946
Total assets	3,114,588				2,635,547				3,114,588	2,635,547	2,233,141
PropertyPlantAndEquipmentAdditions									82,954	84,322	52,769
Flow Control [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Revenue for Reportable Segment									1,095,349	1,060,785	1,024,860
Operating income									78,779	103,421	104,391
Depreciation and amortization									42,091	37,617	35,086
Total assets	1,417,047				1,257,142				1,417,047	1,257,142	1,102,417
PropertyPlantAndEquipmentAdditions									27,612	34,655	18,795
Controls [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Revenue for Reportable Segment									735,085	714,309	645,587
Operating income									86,515	75,423	74,173
Depreciation and amortization									31,968	30,724	27,903
Total assets	1,365,112				1,016,935				1,365,112	1,016,935	864,197
PropertyPlantAndEquipmentAdditions									25,199	32,839	17,967
Surface Technologies [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Revenue for Reportable Segment									277,430	247,989	190,982
Operating income									27,494	31,476	18,941
Depreciation and amortization									17,459	18,099	15,498
Total assets	302,079				286,084				302,079	286,084	233,356
PropertyPlantAndEquipmentAdditions									24,405	14,572	13,884
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Intersegment Revenue									(10,148)	(6,341)	(6,916)
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Operating income									(31,342)	(23,466)	(30,820)
Depreciation and amortization									2,378	1,860	1,459
Total assets	30,350				75,386				30,350	75,386	33,171
PropertyPlantAndEquipmentAdditions									$ 5,738	$ 2,256	$ 2,123