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v3.21.1

Supplementary balance sheet information - Schedule of Current Held-for-Sale Assets and Liabilities (Details) $ in Millions | Mar. 28, 2021 USD ($) building | Dec. 31, 2020 USD ($) building
--- | --- | ---
Held-for-sale assets |  |
Right-of-use-assets from operating leases | $ 2.9 | $ 3.1
Held-for-sale assets | 20.7 | 36.0
Held-for-sale liabilities |  |
Accrued liabilities | 1.1 | 1.5
Other current liabilities | 3.3 | 5.6
Held-for-sale liabilities | 7.3 | 11.4
Held-for-sale |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Amount of property disposed | 5.1 | 11.6
Held-for-sale assets |  |
Property, plant and equipment | 5.1 | 11.6
Inventory | 6.3 | 12.6
Accounts and other receivables | 6.4 | 8.7
Held-for-sale assets | 20.7 | 36.0
Held-for-sale liabilities |  |
Accounts payable | 2.9 | 4.3
Held-for-sale liabilities | $ 7.3 | $ 11.4
Held-for-sale | Building | Elektron segment |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of properties to be disposed | building | 1 | 1
Amount of property disposed | $ 3.7 | $ 3.7
Held-for-sale assets |  |
Property, plant and equipment | $ 3.7 | $ 3.7

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