Disposition of Non-Core Assets (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2020 |
Mar. 31, 2020 |
Jun. 30, 2020 |
Dec. 31, 2019 |
|
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | ||||
Assets held for sale | $ 2.1 | $ 2.1 | $ 4.1 | |
Inventory valuation reserves | 14.1 | 14.1 | $ 10.7 | |
Disposal Group, Held-for-sale, Not Discontinued Operation | ||||
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | ||||
Accelerated depreciation | $ 1.6 | |||
Gain (loss) on sale/disposal | 1.0 | 4.2 | ||
Inventory valuation reserves | 3.1 | 3.1 | ||
Disposal Group, Held-for-sale, Not Discontinued Operation | Machinery and Equipment | ||||
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | ||||
Assets held for sale | $ 2.1 | $ 2.1 |