Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions		12 Months Ended
	May. 29, 2013	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Contingent rent percentage		11.50%
Number of optional renewal terms		3
Optional Lease Renewal Term		P20Y
Lease expense, excluding executory costs		$ 39.5	$ 37.3	$ 35.1
Holland Creek Metropolitan District [Member]
Credit-enhanced bonds issued amount		8.0
Amount outstanding in letters of credit		8.1
Red Sky Ranch Metropolitan District [Member]
Other long-term liabilities		$ 1.8	$ 1.8
Estimated cessation date of capital improvement fee payment obligation		Jul. 31, 2029
Various Other [Member]
Amount outstanding in letters of credit		$ 65.2
Employee Housing Bonds [Member]
Amount outstanding in letters of credit		53.4
Workers' Compensation and General Liability Related to Construction and Development Activities [Member]
Amount outstanding in letters of credit		$ 11.8
Maximum [Member]
Annual base rent rate		11.00%
Minimum [Member]
Annual base rent rate		10.25%
Northstar [Member]
Lease Expiration Date		Jan. 19, 2027
Optional Lease Renewal Term		P10Y
Perisher [Member]
Lease Expiration Date		Jan. 01, 2048
Optional Lease Renewal Term		20-year renewal option
Operating Leases, Rent Expense, Contingent Rentals		2% of certain gross revenue
Canyons [Member]
Lease Expiration Date		Jan. 01, 2079
Optional Lease Renewal Term	six 50-year renewal options
Australia, Dollars | Perisher [Member]
Lease expense, excluding executory costs		$ 1.8