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Leases - Lease Obligations (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Leases [Abstract] |  |
Finance leases - ROU assets | $ 59.4 | $ 55.0
Finance leases - Accumulated depreciation | (32.6) | (31.7)
Operating leases - ROU assets | 174.9 | 156.7
Operating leases - Accumulated depreciation | (92.5) | (86.5)
Total lease assets | 109.2 | 93.5
Finance leases | (6.8) | (7.6)
Operating leases | (27.1) | (24.0)
Finance leases | (20.6) | (16.1)
Operating leases | (58.2) | (49.6)
Total lease liabilities | $ (112.7) | $ (97.3)

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount, before accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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