Restructuring and Other Related Charges Restructuring and Other Related Charges by Segment (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | $ 19.0 | $ 22.1 | $ 24.3 |
| Operating Segments [Member] | Professional Instrumentation [Member] | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | 12.8 | 6.8 | 9.4 |
| Operating Segments [Member] | Industrial Technologies [Member] | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | $ 6.2 | $ 15.3 | $ 14.9 |