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Revenue Recognition - Disaggregation of Net Sales by Place of Manufacture and to Location of Customer (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | $ 499.8 | $ 416.9 | $ 1,443.4 | $ 1,223.9
Point of origin | Reportable Geographical Components | United States |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | 297.6 | 272.9 | 787.5 | 736.5
Point of origin | Reportable Geographical Components | Germany |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | 254.2 | 208.1 | 724.2 | 620.3
Point of origin | Reportable Geographical Components | Canada |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | 88.6 | 93.8 | 288.8 | 247.1
Point of origin | Reportable Geographical Components | Belgium |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | 69.6 | 64.9 | 212.0 | 181.9
Point of origin | Reportable Geographical Components | Norway |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | 63.4 | 46.6 | 198.5 | 163.5
Point of origin | Eliminations |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | (273.6) | (269.4) | (767.6) | (725.4)
Point of destination | Europe |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | 248.0 | 194.3 | 712.1 | 578.6
Point of destination | North America |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | 174.3 | 153.2 | 476.9 | 434.4
Point of destination | Other |  |  |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |  |  |
Net sales | $ 77.5 | $ 69.4 | $ 254.4 | $ 210.9

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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