Goodwill and Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Detail) - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total
Goodwill [Roll Forward]
Beginning Balance	$ 1,321,277
Foreign currency translation	(18,098)
Acquisitions	94,481
Ending Balance	$ 1,397,660
IPO reporting units, fair value, percent grader than carrying value	15.00%
Fluid & Metering Technologies
Goodwill [Roll Forward]
Beginning Balance	$ 524,149
Foreign currency translation	(8,247)
Acquisitions	59,562
Ending Balance	575,464
Health & Science Technologies
Goodwill [Roll Forward]
Beginning Balance	563,465
Foreign currency translation	103
Acquisitions	34,919
Ending Balance	598,487
Fire & Safety/Diversified Products
Goodwill [Roll Forward]
Beginning Balance	233,663
Foreign currency translation	(9,954)
Acquisitions	0
Ending Balance	$ 223,709