Segment and Geographical Area Information Segment and Geographical Area Information - Operating Lease Assets by Geographical Area (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	$ 166.0	$ 159.0
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	75.4	74.9
Total International
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	90.6	84.1
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	7.5	9.0
Continental Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	15.4	16.5
Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	1.3	1.5
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	8.3	7.8
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	57.5	48.7
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated operating lease assets	$ 0.6	$ 0.6