v3.26.1
Segment Information - Schedule of Segments by Geographic Area (Details) - USD ($)
$ in Millions
12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues $ 11,154.0 $ 10,791.0 $ 10,859.0
Operating lease right-of-use assets 2,664.0 2,523.0  
Sales of rental equipment      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 11,224.0 11,340.0  
Property and equipment, net      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 2,063.0 2,038.0  
United States      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 9,478.0 9,204.0 9,307.0
Operating lease right-of-use assets 2,280.0 2,138.0  
United States | Sales of rental equipment      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 9,711.0 9,759.0  
United States | Property and equipment, net      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 1,724.0 1,688.0  
Canada      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 744.0 680.0 664.0
Operating lease right-of-use assets 282.0 278.0  
Canada | Sales of rental equipment      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 758.0 765.0  
Canada | Property and equipment, net      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 181.0 169.0  
United Kingdom      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 932.0 907.0 888.0
Operating lease right-of-use assets 102.0 107.0  
United Kingdom | Sales of rental equipment      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 755.0 816.0  
United Kingdom | Property and equipment, net      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Rental equipment, net and Property and equipment, net 158.0 181.0  
Equipment rentals      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 10,320.0 9,980.0 9,630.0
Equipment rentals | United States      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 8,837.0 8,587.0 8,321.0
Equipment rentals | Canada      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 681.0 615.0 567.0
Equipment rentals | United Kingdom      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 802.0 778.0 742.0
Sales of rental equipment      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 451.0 467.0 859.0
Sales of rental equipment | United States      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 371.0 384.0 742.0
Sales of rental equipment | Canada      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 30.0 33.0 52.0
Sales of rental equipment | United Kingdom      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 50.0 50.0 65.0
Sales of new equipment, merchandise and consumables      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 383.0 344.0 370.0
Sales of new equipment, merchandise and consumables | United States      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 270.0 233.0 244.0
Sales of new equipment, merchandise and consumables | Canada      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues 33.0 32.0 45.0
Sales of new equipment, merchandise and consumables | United Kingdom      
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]      
Revenues $ 80.0 $ 79.0 $ 81.0