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Basis of Presentation - Narrative (Details) | 9 Months Ended |
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Sep. 30, 2021 Segment | Jun. 30, 2020 Crane
Accounting Policies [Abstract] |  |
Number of cranes serviced | Crane |  | 152,000
Number of reportable segments | Segment | 3 |

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
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