(Gain) Loss on Disposal of Assets and Costs from Exit and Disposal Activities (Details) $ in Millions	12 Months Ended
	Mar. 31, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) on Disposition of Other Assets	$ 4.5
Spartan Concrete, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sale of Productive Assets	20.0
Gain (Loss) on Disposition of Other Assets	14.9
Jet Recycling, Paper
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sale of Productive Assets	7.5
Gain (Loss) on Disposition of Other Assets	$ 2.0