Long-Term Debt (Schedule Of Debt Instruments) (Details) (USD $)	12 Months Ended					12 Months Ended				12 Months Ended			12 Months Ended			12 Months Ended		12 Months Ended												12 Months Ended					12 Months Ended								0 Months Ended	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2014 Credit Facility Revolver [Member]	Jul. 31, 2013 Credit Facility Revolver [Member]	Jul. 31, 2014 Industrial Development Bonds [Member]	Jul. 31, 2013 Industrial Development Bonds [Member]	Jul. 31, 2014 Employee Housing Bonds [Member]	Jul. 31, 2013 Employee Housing Bonds [Member]	Jul. 31, 2014 6.50% Notes [Member]	Jul. 31, 2013 6.50% Notes [Member]	Apr. 25, 2011 6.50% Notes [Member]	Jul. 31, 2014 Talisker Canyons Obligation [Member]	Jul. 31, 2013 Talisker Canyons Obligation [Member]	Jul. 31, 2014 6.75% Notes [Member]	Jul. 31, 2014 Other [Member]	Jul. 31, 2013 Other [Member]	Jul. 31, 2014 Revolving Credit Facility [Member]	Jul. 31, 2014 Eagle County Bonds [Member] Industrial Development Bonds [Member]	Jul. 31, 2014 Colorado Water Conservation Board Note Outstanding [Member] Other [Member]	Jul. 31, 2014 Breckenridge Terrace [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tarnes [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 BC Housing [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tenderfoot [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche A [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche A [Member] Breckenridge Terrace [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche A [Member] Tarnes [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche A [Member] BC Housing [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche A [Member] Tenderfoot [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche B [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche B [Member] Breckenridge Terrace [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche B [Member] Tarnes [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche B [Member] BC Housing [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Tranche B [Member] Tenderfoot [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Maximum [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Maximum [Member] 6.50% Notes [Member]	Jul. 31, 2014 Maximum [Member] Other [Member]	Jul. 31, 2014 Maximum [Member] Tranche A [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Minimum [Member] Employee Housing Bonds [Member]	Jul. 31, 2014 Minimum [Member] 6.50% Notes [Member]	Jul. 31, 2014 Minimum [Member] Other [Member]	Jul. 31, 2014 Minimum [Member] Tranche A [Member] Employee Housing Bonds [Member]	May 29, 2013 Canyons [Member]	Jul. 31, 2014 Canyons [Member]
Accretion Expense	$ 5,544,000	$ 985,000	$ 0																																									$ 7,000,000
Total debt	626,622,000	796,922,000		0	0	41,200,000	41,200,000	52,575,000	52,575,000	215,000,000	390,000,000		311,858,000	306,320,000		5,989,000	6,827,000				19,980,000	10,410,000	10,600,000	11,585,000	37,780,000	14,980,000	8,000,000	9,100,000	5,700,000	14,795,000	5,000,000	2,410,000	1,500,000	5,885,000
Less: Current maturities	1,022,000	994,000
Long-term debt	625,600,000	795,928,000				41,200,000	41,200,000			215,000,000	390,000,000
Fiscal year maturity				2019		2020				2019			2063					March 2019			2039	2039	2027	2035
Fiscal year maturity, start																Jul. 31, 2015																							Jun. 01, 2027		Jul. 31, 2015
Fiscal year maturity, end																Jul. 31, 2029																			May 01, 2039		Jul. 31, 2029
Stated percentage in the debt instrument	6.50%									6.50%					6.75%
Reference for interest rate determination																		LIBOR plus 1.25%							LIBOR plus 0% to 0.05%					LIBOR plus 0% to 0.05%
Basis spread on LIBOR rate				1.25%																																		0.05%				0.00%
Long-term debt, maturity date										May 01, 2019									Aug. 01, 2019	Sep. 16, 2028
Long term debt interest rate										6.50%									6.95%																		6.00%	0.21%			0.17%	0.16%
Issuance of 6.50% senior subordinated notes												390,000,000
Premium on early redemption										4.875%																										4.875%				0.00%
Loss on extinguishment of debt	10,831,000	0	0
Long-term debt, outstanding amount																				5,200,000
Capital lease obligations																800,000
Business Acquisition, Effective Date of Acquisition																																											May 24, 2013
Initial Capital Lease Term																																											50 years
Optional Lease Renewal Term	P10Y																																										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
Talisker Canyons Obligation, Interest Rate	10.00%
Line of Credit Facility, Commitment Fee Percentage																		0.25%
Line of Credit Facility, Maximum Borrowing Capacity																		400,000,000
Debt Instrument, Redemption Date										Jul. 07, 2014
Extinguishment of Debt, Amount										175,000,000
Redemption Premium										8,500,000
Write off of Deferred Debt Issuance Cost										2,300,000
Debt Instrument, Principal Outstanding Following Partial Redemption										$ 215,000,000