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Goodwill And Intangible Assets (Summary Of Intangible Assets) (Detail) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period of Finite Lived Assets (in years) | 17 years 9 months 18 days |  |
Gross Asset | $ 885.3 | $ 892.2 |
Accumulated Amortization | 433.2 | 426.3 |
Intangible assets, net | $ 452.1 | 465.9 | $ 519.1
Intellectual property rights |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period of Finite Lived Assets (in years) | 15 years 2 months 12 days |  |
Gross Asset | $ 131.4 | 131.9 |
Accumulated Amortization | 54.4 | 54.3 |
Intangible assets, net | $ 77.0 | 77.6 |
Customer relationships and backlog |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period of Finite Lived Assets (in years) | 18 years 3 months 18 days |  |
Gross Asset | $ 606.4 | 611.8 |
Accumulated Amortization | 275.1 | 270.1 |
Intangible assets, net | $ 331.3 | 341.8 |
Drawings |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period of Finite Lived Assets (in years) | 40 years |  |
Gross Asset | $ 11.1 | 11.1 |
Accumulated Amortization | 10.6 | 10.6 |
Intangible assets, net | $ 0.5 | 0.5 |
Other |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period of Finite Lived Assets (in years) | 11 years 9 months 18 days |  |
Gross Asset | $ 136.4 | 137.4 |
Accumulated Amortization | 93.1 | 91.3 |
Intangible assets, net | $ 43.3 | $ 46.0 |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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