v3.26.3
Segment Information Geographic Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2024
Segment Reporting [Line Items]      
Revenues $ 2,838,204 $ 2,964,347 $ 2,885,191
Property, Plant and Equipment, Net 4,650,155 4,727,301  
Revenues from External Customers and Long-Lived Assets [Line Items]      
Property, Plant and Equipment, Net 4,650,155 4,727,301  
Revenue, Major Customer [Line Items]      
Property, Plant and Equipment, Net 4,650,155 4,727,301  
Geographic Distribution, Foreign [Member]      
Segment Reporting [Line Items]      
Revenues 599,955 541,102 498,442
Property, Plant and Equipment, Net 1,909,753 1,931,194  
Revenues from External Customers and Long-Lived Assets [Line Items]      
Property, Plant and Equipment, Net 1,909,753 1,931,194  
Revenue, Major Customer [Line Items]      
Property, Plant and Equipment, Net 1,909,753 1,931,194  
Geographic Distribution, Domestic [Member]      
Segment Reporting [Line Items]      
Revenues 2,238,249 2,423,245 2,386,749
Property, Plant and Equipment, Net 2,740,402 2,796,107  
Revenues from External Customers and Long-Lived Assets [Line Items]      
Property, Plant and Equipment, Net 2,740,402 2,796,107  
Revenue, Major Customer [Line Items]      
Property, Plant and Equipment, Net 2,740,402 2,796,107  
CANADA      
Segment Reporting [Line Items]      
Revenues 372,100 335,300 $ 326,200
Property, Plant and Equipment, Net 1,318,800 1,350,700  
Revenues from External Customers and Long-Lived Assets [Line Items]      
Property, Plant and Equipment, Net 1,318,800 1,350,700  
Revenue, Major Customer [Line Items]      
Property, Plant and Equipment, Net $ 1,318,800 $ 1,350,700