Acquisitions (Summary Of Estimate Of Fair Value Of Identifiable Assets Acquired And Liabilities Assumed) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jun. 30, 2015	Sep. 11, 2014
Business Acquisition [Line Items]
Unfavorable lease obligations, net	$ 27,322	$ 29,997
Goodwill, Acquired During Period	7,400	124,173
Perisher [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables			$ 1,494
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			126,287
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			5,458
Goodwill, Acquired During Period		31,657
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			170,280
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			11,394
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue			15,906
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent			18,429
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			45,729
Business Combination, Consideration Transferred		124,551
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory			4,859
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets			$ 525
PCMR [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables				$ 930
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets				3,075
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				76,605
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent				7,428
Business Acquisition, Purchase Price Allocation, Real estate held for sale and investment				7,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				27,650
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets				215,204
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable				1,935
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue				4,319
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities				$ 6,254
Business Combination, Consideration Transferred		208,950
Canyons [Member]
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Land	31,818	31,818
Business Acquisition, Purchase Price Allocation, Land Improvements	49,228	49,228
Business Acquisition, Purchase Price Allocation, Buildings and Building Improvements	42,910	42,910
Business Acquisition, Purchase Price Allocation, Machinery and Equipment	61,175	61,175
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Gross (under Capital Lease)	185,131	185,131
Business Acquisition, Purchase Price Allocation, Accumulated Depreciation	(27,110)	(17,212)
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Net (under Capital Lease)	158,021	167,919
Mountain [Member]
Business Acquisition [Line Items]
Goodwill, Acquired During Period	$ 7,400	124,173
Mountain [Member] | PCMR [Member]
Business Acquisition [Line Items]
Goodwill, Acquired During Period		$ 92,516