RESTRUCTURING ACTIVITIES (Detail) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	$ 7,984,000	$ 11,033,000
Cost Of Sales [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	1,897,000	3,815,000
Selling Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	312,000	312,000
General And Administrative Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	5,775,000	6,906,000
Flow Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	2,259,000	2,734,000
Restructuring and Related Cost, Expected Cost		2,000,000
Flow Control [Member] | Cost Of Sales [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	1,105,000	1,285,000
Flow Control [Member] | Selling Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	312,000	312,000
Flow Control [Member] | General And Administrative Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	842,000	1,137,000
Motion Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	484,000	3,058,000
Restructuring and Related Cost, Expected Cost		1,000,000
Motion Control [Member] | Cost Of Sales [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	398,000	2,136,000
Motion Control [Member] | Selling Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	0	0
Motion Control [Member] | General And Administrative Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	86,000	922,000
Metal Treatment [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	5,241,000	5,241,000
Restructuring and Related Cost, Expected Cost		7,000,000
Metal Treatment [Member] | Cost Of Sales [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	394,000	394,000
Metal Treatment [Member] | Selling Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	0	0
Metal Treatment [Member] | General And Administrative Expense [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	$ 4,847,000	$ 4,847,000