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v3.21.2

Other current assets (Summary of Assets Held For Sale) (Details) |  | 9 Months Ended
--- | --- | ---
Aug. 13, 2021 USD ($) item | Aug. 13, 2021 CAD ($) item | Sep. 30, 2021 USD ($)
Other current assets |  |  |
Reclassified from property, plant and equipment |  |  | $ 7,308,000
Disposal |  |  | (241,000)
Ending balance |  |  | $ 7,067,000
Selling price | $ 170,000,000 | $ 210,000,000 |
Selling costs | $ 1,500,000 |  |
Lease term | 2 years | 2 years |
Option to renew lease | true | true |
Number of renewals | item | 2 | 2 |
Renewal term | 1 year | 1 year |

X
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- Definition Number of renewals of operating lease. + References No definition available. + Details
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- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=121558832&loc=d3e400-110220 + Details
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- Definition Indicates (true false) whether lessee has option to extend operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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