Long-Term Debt (Schedule Of Debt Instruments) (Details) - USD ($) $ in Thousands	9 Months Ended
Apr. 30, 2017	Jul. 31, 2016	Apr. 30, 2016
Total debt	$ 1,210,884	$ 702,320	$ 629,178
Unamortized Debt Issuance Expense	4,288	2,057	2,125
Long-term debt due within one year (Note 4)	38,386	13,354	13,349
Long-term debt (Note 4)	1,168,210	686,909	613,704
Credit Facility Revolver [Member]
Total debt	$ 0	75,000	0
Fiscal year maturity	2021
Whistler Credit Agreement revolver [Member]
Total debt	$ 89,379	0	0
Fiscal year maturity	2021
Debt Instrument, Interest Rate, Stated Percentage	2.67%
Term Loan [Member]
Total debt	$ 731,250	240,625	243,750
Fiscal year maturity	2021
Debt Instrument, Interest Rate, Stated Percentage	2.20%
Employee Housing Bonds [Member]
Total debt	$ 52,575	52,575	52,575
Canyons Obligation [Member]
Total debt	$ 327,364	323,099	321,688
Fiscal year maturity	2063
Other [Member]
Total debt	$ 10,316	$ 11,021	$ 11,165
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

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

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

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

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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

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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.

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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.

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