Segments - Summary of Identified Assets by Reportable Segment (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 787.4	$ 746.2
Operating Segments | Material Handling Segment
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	249.6	221.5
Operating Segments | Construction Segment
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	533.7	523.4
Corporate, Non-Segment
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 4.1	$ 1.3