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Leases Lease Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating Leased Assets [Line Items] |  |  |
Impairment of Leasehold | $ 5.6 |  |
Debtor Reorganization Items, Provision for Expected Allowed Claims | 4.4 |  |
Change in Right of use asset | 10.5 |  |
Change in Lease Liabilities | 20.4 |  |
Change in Right of use asset for Corporate Headquarters in Houston, Texas | 6.4 |  |
Change in lease liability for Corporate Headquarters in Houston, Texas | 10.4 |  |
Operating Leases, Rent Expense |  |  | $ 40.1
Cash paid for lease liabilities | 23.5 | $ 29.9 |
Contract items | 11.5 |  |
Certain rejected office leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Contract items | (9.8) |  |
Corporate Office [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Contract items | $ (1.7) |  |
Minimum |  |  |
Operating Leased Assets [Line Items] |  |  |
Remaining lease terms | 1 year |  |
Maximum |  |  |
Operating Leased Assets [Line Items] |  |  |
Remaining lease terms | 10 years |  |

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- Definition Amount of gain (loss) on rejection of leases and other executory contracts, reported as a reorganization item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 + Details
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- Definition Amount of expense for claims expected to be incurred by an entity in reorganization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764 + Details
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- Definition The adjustment to reduce the value of existing agreements that specify the lessee's rights to use the leased property. This expense is charged when the estimates of future profits generated by the leased property are reduced. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + 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 Change in lease liability for Corporate Headquarters in Houston, Texas + References No definition available. + Details
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- Details
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