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Leases - Schedule of Lease Assets and Lease Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Leases [Abstract] |  |
Operating lease assets | $ 39.5 | $ 26.5
Finance lease assets | $ 8.9 | $ 8.1
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Property, plant and equipment, net | Property, plant and equipment, net
Total lease assets | $ 48.4 | $ 34.6
Operating lease liabilities, current | $ 8.4 | $ 4.4
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Other accrued liabilities | Other accrued liabilities
Finance lease liabilities, current | $ 2.0 | $ 1.9
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Other accrued liabilities | Other accrued liabilities
Operating lease liabilities, noncurrent | $ 34.4 | $ 25.6
Finance lease liabilities, noncurrent | $ 6.9 | $ 6.2
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Long-term liabilities | Long-term liabilities
Total lease liabilities | $ 51.7 | $ 38.1

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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 http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + 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 (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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