Segment and Geographical Area Information Segment and Geographical Area Information - Operating Lease Assets by Geographical Area (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	$ 164.5	$ 181.2
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	84.9	92.9
Total International
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	79.6	88.3
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	11.9	14.7
Continental Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	17.1	19.1
Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	2.0	2.4
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	6.8	7.7
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	41.7	44.2
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	$ 0.1	$ 0.2