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Restructuring - Narrative (Details) - Network Optimization Plan rental_fleet_unit in Thousands, portable_storage_unit in Thousands, modularLeasingUnit in Thousands, $ in Millions	1 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2025 USD ($) modularLeasingUnit rental_fleet_unit branch acre portable_storage_unit	Sep. 30, 2026 USD ($) modularLeasingUnit portable_storage_unit	Dec. 31, 2025 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of acres exited \| acre	665
Number of branches exited \| branch	108
Percentage of leased acreage exited	25.00%
Net book value of property abandoned	$ 312.1
Number of rental fleet units abandoned \| rental_fleet_unit	53
Number of portable storage units adandoned \| portable_storage_unit	31
Number of modular space units abandoned \| modularLeasingUnit	22
Restructuring costs			$ 301.9
Number of portable storage units disposed \| portable_storage_unit		28
Number of modular space units disposed \| modularLeasingUnit		12
Expected restructuring cost		$ 41.0
Disposal Costs
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost		26.0
Relocation costs
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost		$ 15.0