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Intangible Assets - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of expense of intangible assets |  | $ 9.7 | $ 11.0 | $ 14.3
Services | COVID-19 |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charge of long-lived assets | $ 28.8 |  |  |
Software/Technology |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of expense of intangible assets |  | $ 3.0 | $ 3.6 | $ 5.6
Software/Technology | Services | COVID-19 |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charge of long-lived assets | 25.9 |  |  |
Customer relationships | Services | COVID-19 |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charge of long-lived assets | 2.2 |  |  |
Other | Services | COVID-19 |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charge of long-lived assets | 0.5 |  |  |
Covenants not to compete | Services | COVID-19 |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charge of long-lived assets | $ 0.2 |  |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + 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 The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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