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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jul. 31, 2012
Accounting Policies [Abstract] |
Summary On Estimated Useful Life Of Property, Plant And Equipment | Depreciation is calculated on the straight-line method 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 | 3-4
Summary Of Estimated Fair Value Of Financial Instruments | The estimated fair value of the 6.50% Notes, Industrial Development Bonds and other long-term debt as of July 31, 2012 and 2011 is presented below (in thousands):
| July 31, 2012 | July 31, 2011
| Carrying Value | Fair Value | Carrying Value | Fair Value
6.50% Notes | $ | 390,000 |  | $ | 417,300 |  | $ | 390,000 |  | $ | 397,800 |
Industrial Development Bonds | $ | 41,200 |  | $ | 49,267 |  | $ | 41,200 |  | $ | 47,581 |
Other long-term debt | $ | 6,990 |  | $ | 7,821 |  | $ | 7,968 |  | $ | 8,320 |
Allocation Of Stock-Based Compensation Expense | The following table shows total stock-based compensation expense for the years ended July 31, 2012, 2011 and 2010 included in the Consolidated Statements of Operations (in thousands):
| Year Ended July 31,
| 2012 | 2011 | 2010
Mountain operating expense | $ | 7,614 |  | $ | 7,140 |  | $ | 5,332 |
Lodging operating expense | 1,744 |  | 2,088 |  | 2,010 |
Real estate operating expense | 2,641 |  | 3,265 |  | 4,501 |
Pre-tax stock-based compensation expense | 11,999 |  | 12,493 |  | 11,843 |
Less: benefit for income taxes | 4,567 |  | 4,738 |  | 4,481 |
Net stock-based compensation expense | $ | 7,432 |  | $ | 7,755 |  | $ | 7,362 |

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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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=6793087&loc=d3e301413-122809 + Details
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