Restructuring and Other Related Charges Charges Included in Statement of Earnings (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 |
| Cost of sales | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | 2.0 | 8.1 | 5.9 |
| Selling, general and administrative expenses | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | $ 17.0 | $ 14.0 | $ 18.4 |