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Acquisitions and Divestitures - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023 USD ($) businesses_divested	Sep. 30, 2022 USD ($) businesses_divested	Sep. 30, 2023 USD ($) businesses_divested	Sep. 30, 2022 USD ($) businesses_divested	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Acquisition price					$ 77.4
Revenues	$ 591.7	$ 603.9	$ 1,725.7	$ 1,742.5
Operating profit (loss)	$ 48.4	$ 49.0	$ 174.5	$ 140.9
Number of Divestitures | businesses_divested	0	0	0	0
Proceeds from sale of storage tanks business					271.6
Gain on sale of storage tanks business	$ 0.0	$ 0.0	$ (6.4)	$ 0.0	(189.0)
Proceeds from sale of storage tanks business			2.0	0.0
Difference between holdback settlement and amount accrued at acquisition			5.0
Holdback payment from acquisition			(10.0)	0.0
Revolving credit facility | Revolving Credit Facility
Segment Reporting Information [Line Items]
Borrowings under revolving credit facility					80.0
Engineered Structures | Storage tanks
Segment Reporting Information [Line Items]
Revenues	$ 0.0	65.8	$ 0.0	187.6
Engineered Structures | Storage Tanks Business
Segment Reporting Information [Line Items]
Operating profit (loss)		$ 16.6		$ 40.8
Proceeds from sale of storage tanks business					275.0
RAMCO | Construction Products
Segment Reporting Information [Line Items]
Goodwill acquired					13.4
Property, plant, and equipment acquired					$ 6.4
RAMCO | Construction Products | Permits
Segment Reporting Information [Line Items]
Weighted average useful life					20 years
Finite-Lived Intangibles					$ 54.2
Southwest Rock | Construction Products
Segment Reporting Information [Line Items]
Acquisition holdback payable						$ 15.0

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