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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jul. 31, 2017
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 stock-based compensation expense for the years ended July 31, 2017, 2016 and 2015 included in the Consolidated Statements of Operations (in thousands):
| Year Ended July 31,
| 2017 | 2016 | 2015
Mountain stock-based compensation expense | $ | 14,969 |  | $ | 13,404 |  | $ | 11,841 |
Lodging stock-based compensation expense | 3,215 |  | 3,094 |  | 2,621 |
Real Estate stock-based compensation expense | 131 |  | 527 |  | 1,291 |
Pre-tax stock-based compensation expense | 18,315 |  | 17,025 |  | 15,753 |
Less: benefit from income taxes | 6,290 |  | 6,057 |  | 6,026 |
Net stock-based compensation expense | $ | 12,025 |  | $ | 10,968 |  | $ | 9,727 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
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