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Software and Other Intangible Assets - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets amortization expense | $ 8,500,000 | $ 8,800,000 | $ 25,400,000 | $ 27,100,000
Software for Internal Use |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Software, amortization expense | 16,300,000 | 17,300,000 | 49,300,000 | 51,100,000
Software for Resale |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Software, amortization expense | $ 0 | $ 0 | $ 0 | $ 700,000
Minimum | Software for Internal Use |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible asset, useful life | 3 years |  | 3 years |
Minimum | Software for Resale |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible asset, useful life | 5 years |  | 5 years |
Maximum | Software for Internal Use |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible asset, useful life | 8 years |  | 8 years |
Maximum | Software for Resale |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible asset, useful life | 10 years |  | 10 years |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Amount of expense for amortization of capitalized computer software costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481283/985-20-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -SubTopic 20 -Topic 985 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481283/985-20-50-1 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 + Details
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