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Acquisitions (Narrative) (Details) (USD $) | 0 Months Ended | 3 Months Ended | 6 Months Ended |  | 1 Months Ended |  | 0 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
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May 29, 2013 | Jan. 31, 2013 | Jan. 31, 2014 | Jan. 31, 2013 | Jul. 31, 2013 | Dec. 31, 2012 Urban Ski Areas [Member] | Dec. 17, 2012 Urban Ski Areas [Member] | May 29, 2013 Canyons [Member] | Jan. 31, 2014 Canyons [Member] | Jul. 31, 2013 Canyons [Member] | Jan. 31, 2014 Canyons [Member] | Jan. 31, 2014 Canyons Obligation [Member] | Jul. 31, 2013 Canyons Obligation [Member] | Jan. 31, 2013 Canyons Obligation [Member]
Business Acquisition, Pro Forma Revenue |  | $ 440,024,000 |  | $ 560,648,000 |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Current Assets, Receivables | 1,774,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets | 1,766,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Effective date of business acquisition |  |  |  |  |  | Dec. 17, 2012 |  | May 29, 2013 |  |  |  |  |  |
Purchase price allocation to goodwill | 74,539,000 |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |
Purchase price allocation to fixed assets | 5,475,000 |  |  |  |  |  | 17,800,000 |  |  |  |  |  |  |
Purchase price allocation to other assets |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |
Purchase price allocation to amortizable intangible assets |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |
Purchase price allocation to liabilities assumed | 344,683,000 |  |  |  |  |  | 1,800,000 |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | 0 | 19,958,000 |  | 20,000,000 |  |  |  |  |  |  |  |
Long-term Debt |  | 490,303,000 | 799,284,000 | 490,303,000 | 796,922,000 |  |  |  |  |  |  | 309,093,000 | 306,320,000 | 0
Initial Capital Lease Term |  |  |  |  |  |  |  | P50Y |  |  |  |  |  |
Optional Lease Renewal Term |  |  |  |  |  |  |  | six 50-year renewal options |  |  |  |  |  |
Minimum Capital Lease Payment, Annual |  |  |  |  |  |  |  | 25,000,000 |  |  |  |  |  |
Adjustments to Capital Lease Annual Payments |  |  |  |  |  |  |  | inflation linked index of CPI less 1%, with a floor of 2% per annum |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Description | 42% of the amount by which EBITDA for the resort operations, as calculated under the Lease, exceeds approximately $35 million, with such threshold amount increased by an inflation linked index and a 10% adjustment for any capital improvements or investments made under the Lease by the Company (the "Contingent Consideration") |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  | 10 years |  |  |  | 50 years |  |  |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  |  |  | 22,700,000 |  | 27,800,000 |  |  |
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Gross (under Capital Lease) | 127,885,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Deferred Taxes Asset (Liability), Net, Noncurrent | 44,744,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill | 30,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, PCMR Deposit | 57,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Assets Acquired | 344,683,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Current Liabilities, Accounts Payable | 7,348,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Current Liabilities, Deferred Revenue | 1,134,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities | 21,766,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Canyons Obligation | 305,335,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Contingent Consideration | 9,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Pro Forma Net Income (Loss) |  | $ 54,419,000 |  | $ (16,393,000) |  |  |  |  |  |  |  |  |  |
Business Acquisition, Pro Forma Earnings Per Share, Basic |  | $ 1.52 |  | $ (0.46) |  |  |  |  |  |  |  |  |  |
Business Acquisition, Pro Forma Earnings Per Share, Diluted |  | $ 1.48 |  | $ (0.46) |  |  |  |  |  |  |  |  |  |

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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 17 -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. + Details
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