Schedule of Pre-Tax Restructuring Expenses by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 1,428		$ 5,318
Exit Costs	1,153		2,201
Total	2,581		7,519
Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Severance Costs	309		2,968
Exit Costs	10		10
Total	319		2,978
Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Severance Costs	757		1,907
Exit Costs	395		700
Total	1,152		2,607
Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Severance Costs	280		280
Exit Costs	748		1,292
Total	1,028		1,572
Corporate Office/Other
Restructuring Cost and Reserve [Line Items]
Severance Costs	82		163
Exit Costs			199
Total	$ 82		$ 362