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Leases (Summary of Supplemental Cash Flow Information Related to Leases) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Cash paid for amounts included in the measurement of lease liabilities |  |  |  |
Operating cash flows from operating leases |  | $ 12.1 | $ 9.6 | $ 8.0
Operating cash flows from finance leases |  | 1.8 | 1.3 | 0.8
Financing cash flows from finance leases |  | 5.8 | 3.3 | 2.7
ROU assets obtained in exchange for lease liabilities |  |  |  |
Operating leases | [1] | 18.5 | 19.0 | 15.8
Finance leases | [2] | $ 7.7 | $ 13.6 | $ 12.3
[1] | During 2025, increases in ROU assets included $4.9 million recognized from the acquisitions of Parallel and Geometrik and a $1.2 million increase from modifications that did not involve obtaining a new ROU asset. During 2024, increases in ROU assets included $13.0 million from the acquisitions of 3form and Zahner and a $4.7 million increase from modifications that did not involve obtaining a new ROU asset. During 2023, increases in ROU assets included a decrease of $1.0 million due to a change in lease classification upon modification and an increase of $0.6 million resulting from modifications that did not involve obtaining a new ROU asset
[2] | During 2025, there were no modifications or acquired finance leases that involved obtaining a new ROU asset. During 2024, increases in ROU assets included $8.9 million from the acquisition of Zahner and a $1.1 million decrease from modifications that did not involve obtaining a new ROU asset. During 2023, increases in ROU assets included $8.6 million due to a change in lease classification upon modification for an existing manufacturing facility within our Architectural Specialties segment that had a modified expected lease term of 13 years, in addition to an increase of $3.7 million for a lease modification that did not involve obtaining a new ROU asset.

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- Definition Amount of interest paid on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-5 + Details
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