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Leases Narrative (Details) - USD ($) $ in Millions | Apr. 01, 2019 | Mar. 31, 2019 | Jan. 01, 2019
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Lessee, Lease, Description [Line Items] |  |  |
Operating lease, right-of-use asset |  |  | $ 51.7
Operating lease liabilities |  | $ 67.0 | 55.6
Operating lease, current liability |  |  | 12.5
Operating lease, noncurrent liability |  |  | $ 43.1
Progress payments made on behalf of company, paid |  | $ 1.7 |
Progress payments made on behalf of company, scheduled to be paid | $ 5.8 |  |
Forecast |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Finance lease not yet commenced, right-of-use asset to be recognized | 7.5 |  |
Finance lease not yet commenced, liability to be recognized | $ 7.5 |  |

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- Definition Lessee, Finance Lease, Lease Not Yet Commenced, Liability To Be Recognized + References No definition available. + Details
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- Definition Lessee, Finance Lease, Lease Not Yet Commenced, Right-Of-Use Asset To Be Recognized + References No definition available. + Details
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- Definition Progress Payments Made On Behalf Of Company, Paid + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating 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 (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating 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=77888419&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating 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 http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating 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=77888419&loc=SL77918627-209977 + Details
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- Details
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