Restructuring and Other Related Charges - Restructuring and Other Related Charges by Segment (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 56.6	$ 7.0	$ 18.6
Operating Segments \| Professional Instrumentation
Restructuring Cost and Reserve [Line Items]
Restructuring charges	47.8	4.5	12.8
Operating Segments \| Industrial Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 8.8	$ 2.5	$ 5.8

Amount of restructuring charges, remediation cost, and asset impairment loss.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Name:	us-gaap_RestructuringSettlementAndImpairmentProvisions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration