Leases - Annual Future Maturities of Leases (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Operating Leases
2023	$ 8.4
2024	31.2
2025	28.4
2026	22.6
2027	21.6
After 2027	117.3
Total lease payments	229.5
Less: Interest	28.6
Present value of lease liabilities	200.9	$ 217.9
Finance Leases
2023	0.7
2024	2.5
2025	2.3
2026	2.2
2027	2.1
After 2027	11.6
Total lease payments	21.4
Less: Interest	3.0
Present value of lease liabilities	18.4	20.7
Total
2023	9.1
2024	33.7
2025	30.7
2026	24.8
2027	23.7
After 2027	128.9
Total lease payments	250.9
Less: Interest	31.6
Present value of lease liabilities	$ 219.3	$ 238.6

Finance Lease, Liability, to be Paid, after Year Four

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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