FACILITIES RELOCATION AND RESTRUCTURING (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	$ 385	$ 2,807
Restructuring Reserve, Period Expense	0	3,040
Restructuring Reserve Settled With Cash	(385)	(4,556)
Restructuring Reserve, Accrual Adjustment	0	(855)
Restructuring Reserve, Translation and Other Adjustment	0	(51)
Restructuring Reserve	0	385
Flow Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	262	57
Restructuring Reserve, Period Expense	0	1,979
Restructuring Reserve Settled With Cash	(262)	(1,774)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	262
Motion Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	123	2,750
Restructuring Reserve, Period Expense	0	842
Restructuring Reserve Settled With Cash	(123)	(2,563)
Restructuring Reserve, Accrual Adjustment	0	(855)
Restructuring Reserve, Translation and Other Adjustment	0	(51)
Restructuring Reserve	0	123
Metal Treatment [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	0	0
Restructuring Reserve, Period Expense	0	219
Restructuring Reserve Settled With Cash	0	(219)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	0
Employee Severance [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	170	1,602
Restructuring Reserve, Period Expense	0	1,563
Restructuring Reserve Settled With Cash	(170)	(2,614)
Restructuring Reserve, Accrual Adjustment	0	(358)
Restructuring Reserve, Translation and Other Adjustment	0	(23)
Restructuring Reserve	0	170
Employee Severance [Member] | Flow Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	52	57
Restructuring Reserve, Period Expense	0	895
Restructuring Reserve Settled With Cash	(52)	(900)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	52
Employee Severance [Member] | Motion Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	118	1,545
Restructuring Reserve, Period Expense	0	668
Restructuring Reserve Settled With Cash	(118)	(1,714)
Restructuring Reserve, Accrual Adjustment	0	(358)
Restructuring Reserve, Translation and Other Adjustment	0	(23)
Restructuring Reserve	0	118
Employee Severance [Member] | Metal Treatment [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	0	0
Restructuring Reserve, Period Expense	0	0
Restructuring Reserve Settled With Cash	0	0
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	0
Facility Closing [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	215	1,080
Restructuring Reserve, Period Expense	0	869
Restructuring Reserve Settled With Cash	(215)	(1,209)
Restructuring Reserve, Accrual Adjustment	0	(497)
Restructuring Reserve, Translation and Other Adjustment	0	(28)
Restructuring Reserve	0	215
Facility Closing [Member] | Flow Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	210	0
Restructuring Reserve, Period Expense	0	732
Restructuring Reserve Settled With Cash	(210)	(522)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	210
Facility Closing [Member] | Motion Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	5	1,080
Restructuring Reserve, Period Expense	0	71
Restructuring Reserve Settled With Cash	(5)	(621)
Restructuring Reserve, Accrual Adjustment	0	(497)
Restructuring Reserve, Translation and Other Adjustment	0	(28)
Restructuring Reserve	0	5
Facility Closing [Member] | Metal Treatment [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	0	0
Restructuring Reserve, Period Expense	0	66
Restructuring Reserve Settled With Cash	0	(66)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	0
Employee Relocation [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	0	125
Restructuring Reserve, Period Expense	0	608
Restructuring Reserve Settled With Cash	0	(733)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	0
Employee Relocation [Member] | Flow Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	0	0
Restructuring Reserve, Period Expense	0	352
Restructuring Reserve Settled With Cash	0	(352)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	0
Employee Relocation [Member] | Motion Control [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	0	125
Restructuring Reserve, Period Expense	0	103
Restructuring Reserve Settled With Cash	0	(228)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	0	0
Employee Relocation [Member] | Metal Treatment [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Reserve	0	0
Restructuring Reserve, Period Expense	0	153
Restructuring Reserve Settled With Cash	0	(153)
Restructuring Reserve, Accrual Adjustment	0	0
Restructuring Reserve, Translation and Other Adjustment	0	0
Restructuring Reserve	$ 0	$ 0