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