Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill			$ 1,597,160
Accumulated goodwill impairment losses			(200,631)
Goodwill
Beginning Balance	$ 1,632,592	$ 1,396,529
Foreign currency translation	53,179	(37,482)
Acquisitions	23,929	290,393
Disposition of businesses	(3,121)	(15,772)
Acquisition adjustments	(2,421)	(1,076)
Ending Balance	1,704,158	1,632,592
Fluid & Metering Technologies
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill			605,491
Accumulated goodwill impairment losses			(20,721)
Goodwill
Beginning Balance	573,437	584,770
Foreign currency translation	15,748	(5,951)
Acquisitions	0	0
Disposition of businesses	(3,121)	(3,759)
Acquisition adjustments	0	(1,623)
Ending Balance	586,064	573,437
Health & Science Technologies
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill			740,425
Accumulated goodwill impairment losses			(149,820)
Goodwill
Beginning Balance	699,299	590,605
Foreign currency translation	19,225	(23,559)
Acquisitions	23,929	143,719
Disposition of businesses	0	(12,013)
Acquisition adjustments	(2,421)	547
Ending Balance	740,032	699,299
Fire & Safety/Diversified Products
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill			251,244
Accumulated goodwill impairment losses			$ (30,090)
Goodwill
Beginning Balance	359,856	221,154
Foreign currency translation	18,206	(7,972)
Acquisitions	0	146,674
Disposition of businesses	0	0
Acquisition adjustments	0	0
Ending Balance	$ 378,062	$ 359,856