Goodwill and Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2014	$ 1,321,277
Foreign currency translation	(22,609)
Acquisitions	111,730
Disposition of business	(10,213)
Balance at September 30, 2015	$ 1,400,185
IPO reporting units, fair value, percent grader than carrying value	15.00%
Fluid & Metering Technologies
Goodwill [Roll Forward]
Balance at December 31, 2014	$ 524,149
Foreign currency translation	(6,914)
Acquisitions	67,970
Disposition of business	0
Balance at September 30, 2015	585,205
Health & Science Technologies
Goodwill [Roll Forward]
Balance at December 31, 2014	563,465
Foreign currency translation	(6,517)
Acquisitions	43,760
Disposition of business	(10,213)
Balance at September 30, 2015	590,495
Fire & Safety/Diversified Products
Goodwill [Roll Forward]
Balance at December 31, 2014	233,663
Foreign currency translation	(9,178)
Acquisitions	0
Disposition of business	0
Balance at September 30, 2015	$ 224,485