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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jul. 31, 2021
Accounting Policies [Abstract]  
Summary On Estimated Useful Life Of Property, Plant And Equipment Depreciation is calculated on the straight-line method, including property, plant and equipment under finance leases, generally based on the following useful lives:
  
Estimated Life
in Years
Land improvements
10-35
Buildings and building improvements
7-30
Machinery and equipment
2-30
Furniture and fixtures
3-10
Software
3
Vehicles
3-10
Allocation Of Stock-Based Compensation Expense The following table shows total net stock-based compensation expense for the years ended July 31, 2021, 2020 and 2019 included in the Consolidated Statements of Operations (in thousands): 
 Year Ended July 31,
  
202120202019
Mountain stock-based compensation expense$20,311 $17,410 $16,474 
Lodging stock-based compensation expense3,783 3,399 3,219 
Real Estate stock-based compensation expense301 212 163 
Pre-tax stock-based compensation expense24,395 21,021 19,856 
Less: benefit from income taxes5,871 5,027 4,589 
Net stock-based compensation expense$18,524 $15,994 $15,267