Goodwill and Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2016	$ 1,632,592
Foreign currency translation	12,274
Acquisition adjustments	699
Balance at March 31, 2017	1,645,565
Fluid & Metering Technologies
Goodwill [Roll Forward]
Balance at December 31, 2016	573,437
Foreign currency translation	3,068
Acquisition adjustments	0
Balance at March 31, 2017	576,505
Health & Science Technologies
Goodwill [Roll Forward]
Balance at December 31, 2016	699,299
Foreign currency translation	5,732
Acquisition adjustments	636
Balance at March 31, 2017	705,667
Fire & Safety/Diversified Products
Goodwill [Roll Forward]
Balance at December 31, 2016	359,856
Foreign currency translation	3,474
Acquisition adjustments	63
Balance at March 31, 2017	$ 363,393