Long-Term Debt (Schedule Of Debt Instruments) (Details) - USD ($) $ in Thousands	6 Months Ended
Jan. 31, 2018	Jul. 31, 2017	Jan. 31, 2017
Total debt	$ 1,224,508	$ 1,276,521	$ 1,259,576
Unamortized Debt Issuance Expense	3,726	4,100	4,476
Long-term debt due within one year (Note 4)	38,433	38,397	38,379
Long-term debt, net (Note 4)	1,182,349	1,234,024	1,216,721
Credit Facility Revolver [Member]
Total debt	$ 30,000	50,000	0
Fiscal year maturity	2021
Whistler Credit Agreement revolver [Member]
Total debt	$ 97,571	113,119	129,966
Fiscal year maturity	2022
Term Loan [Member]
Total debt	$ 703,125	721,875	740,625
Fiscal year maturity	2021
Employee Housing Bonds [Member]
Total debt	$ 52,575	52,575	52,575
Canyons Obligation [Member]
Total debt	$ 331,647	328,786	325,942
Fiscal year maturity	2063
Other [Member]
Total debt	$ 9,590	$ 10,166	$ 10,468
Maximum [Member] \| Employee Housing Bonds [Member]
Fiscal year maturity, end	Dec. 31, 2039
Maximum [Member] \| Other [Member]
Fiscal year maturity, end	Dec. 31, 2028
Minimum [Member] \| Employee Housing Bonds [Member]
Fiscal year maturity, start	Dec. 31, 2027
Minimum [Member] \| Other [Member]
Fiscal year maturity, start	Dec. 31, 2024

Debt Instrument, Year of Maturity

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- Definition

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

+ 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)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

+ References

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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-Publisher FASB
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- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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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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