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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jul. 31, 2020
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 capital 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, 2020, 2019 and 2018 included in the Consolidated Statements of Operations (in thousands): 
 
Year Ended July 31,
  
2020
2019
2018
Mountain stock-based compensation expense
$
17,410

$
16,474

$
15,716

Lodging stock-based compensation expense
3,399

3,219

3,215

Real Estate stock-based compensation expense
212

163

109

Pre-tax stock-based compensation expense
21,021

19,856

19,040

Less: benefit from income taxes
5,027

4,589

5,406

Net stock-based compensation expense
$
15,994

$
15,267

$
13,634