Long-Term Debt (Schedule Of Debt Instruments) (Details) - USD ($) $ in Thousands	3 Months Ended
Oct. 31, 2016	Jul. 31, 2016	Oct. 31, 2015
Long-term Debt	$ 1,414,816	$ 702,320	$ 830,377
Unamortized Debt Issuance Expense	4,663	2,057	2,261
Less: Current maturities	38,374	13,354	13,319
Long-term debt, excluding current maturities	1,371,779	686,909	814,797
Credit Facility Revolver [Member]
Long-term Debt	$ 135,000	75,000	197,500
Fiscal year maturity	2021
Whistler Credit Agreement revolver [Member]
Long-term Debt	$ 142,103	0	0
Fiscal year maturity	2021
Debt Instrument, Interest Rate, Stated Percentage	2.70%
Term Loan [Member]
Long-term Debt	$ 750,000	240,625	250,000
Fiscal year maturity	2021
Debt Instrument, Interest Rate, Stated Percentage	1.70%
Employee Housing Bonds [Member]
Long-term Debt	$ 52,575	52,575	52,575
Canyons Obligation [Member]
Long-term Debt	$ 324,521	323,099	318,866
Fiscal year maturity	2063
Other [Member]
Long-term Debt	$ 10,617	$ 11,021	$ 11,436
Maximum [Member] \| Employee Housing Bonds [Member]
Fiscal year maturity, end	May 01, 2039
Maximum [Member] \| Other [Member]
Fiscal year maturity, end	Jul. 31, 2028
Minimum [Member] \| Employee Housing Bonds [Member]
Fiscal year maturity, start	Jun. 01, 2027
Minimum [Member] \| Other [Member]
Fiscal year maturity, start	Jul. 31, 2017

Debt Instrument, Year of Maturity

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-Subparagraph (SX 210.5-02.22(a)(2))
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Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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- Definition

Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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-Name Accounting Standards Codification
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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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