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Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2022
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Note 6. Property, Plant and Equipment Property, plant and equipment consists of the following:
(in millions) |  | 2022 |  |  | 2021 |
Land |  | $ | 20.6 |  |  | $ | 20.7 |
Buildings |  |  | 68.7 |  |  |  | 69.5 |
Equipment |  |  | 377.5 |  |  |  | 371.5 |
Work in progress |  |  | 45.7 |  |  |  | 23.7 |
Total gross cost |  |  | 512.5 |  |  |  | 485.4 |
Less accumulated depreciation and impairment |  |  | (291.6 | ) |  |  | (271.0 | )
Total net book value |  | $ | 220.9 |  |  | $ | 214.4 |
Of the total net book value of equipment at December 31, 2022, $0.0 million are in respect of assets held under finance leases (2021 – $0.5 million). Depreciation charges were $25.7 million, $26.3 million and $24.7 million in 2022, 2021 and 2020, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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