Leasing Arrangements - Lease Cost (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Lessee, Lease, Description [Line Items] | ||
| Total operating lease cost | $ 6.6 | $ 5.9 |
| Cost of sales | ||
| Lessee, Lease, Description [Line Items] | ||
| Operating lease cost | 1.8 | 2.7 |
| Selling and administrative expense | ||
| Lessee, Lease, Description [Line Items] | ||
| Operating lease cost | 4.0 | 3.1 |
| Other | $ 0.8 | $ 0.1 |