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Property, Plant and Equipment - Narrative (Details) ft² in Thousands, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) ft² | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Aug. 31, 2019 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation expense | $ 201.9 | $ 190.6 | $ 269.4 |
Interest costs capitalized | 65.2 | 68.8 | $ 54.0 |
Construction in progress | 1,950.8 | 2,084.4 |  |
Property, plant and equipment, gross | 5,193.8 | 4,838.2 |  |
Denmark Manufacturing Operations |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment sold to Fujifilm |  |  |  | $ 631.5
Denmark Manufacturing Operations | Buildings |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment sold to Fujifilm |  |  |  | 312.5
Denmark Manufacturing Operations | Machinery and Equipment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment sold to Fujifilm |  |  |  | $ 287.3
Solothurn |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Construction in progress | 1,800.0 | $ 1,900.0 |  |
Property, plant and equipment, gross | $ 256.8 |  |  |
Biologics Manufacturing | Solothurn |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Number of square feet | ft² | 393 |  |  |
Warehouse, Utilities and Support Space | Solothurn |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Number of square feet | ft² | 290 |  |  |
Administrative Space | Solothurn |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Number of square feet | ft² | 51 |  |  |

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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