Leases (Summary of Supplemental Cash Flow Information Related to Leases) (Details) - USD ($) $ in Millions		12 Months Ended
		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.