Segment Information (Sales by Product Group) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Segment Reporting, Revenue Reconciling Items [Line Items] | |||
Net sales | $ 1,599.1 | $ 1,509.1 | $ 1,399.8 |
Contract-Manufactured Products [Member] | |||
Segment Reporting, Revenue Reconciling Items [Line Items] | |||
Net sales | 362.5 | 320.2 | 302.4 |
Proprietary Products [Member] | |||
Segment Reporting, Revenue Reconciling Items [Line Items] | |||
Net sales | 1,236.9 | 1,189.9 | 1,098.3 |
Intersegment Elimination [Member] | |||
Segment Reporting, Revenue Reconciling Items [Line Items] | |||
Net sales | $ (0.3) | $ (1.0) | $ (0.9) |