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Company and Basis of Presentation - Narrative (Details) crane in Thousands, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2017 USD ($) crane | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |  |  |
Period of providing high-quality, customer-focused products and support services |  | 115 years |  |
Net sales | $ |  | $ 1,581.3 | $ 1,613.1 | $ 1,865.7
Number of cranes serviced | crane |  | 143 |  |
Shares received per parent share | 100.00% |  |  |
Stockholders' equity stock split, conversion ratio |  | 0.25 |  |

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