Long-Term Debt (Schedule Of Debt Instruments) (Details) - USD ($) $ in Thousands |
6 Months Ended |
|
|
Jan. 31, 2016 |
Jul. 31, 2015 |
Jan. 31, 2015 |
| Total debt |
$ 695,535
|
$ 816,830
|
$ 635,935
|
| Less: Current maturities |
13,340
|
10,154
|
1,196
|
| Long-term debt |
$ 682,195
|
806,676
|
634,739
|
| Stated percentage in the debt instrument |
6.50%
|
|
|
| Credit Facility Revolver [Member] |
|
|
|
| Total debt |
$ 64,500
|
185,000
|
0
|
| Fiscal year maturity |
2020
|
|
|
| Term Loan [Member] |
|
|
|
| Total debt |
$ 246,875
|
250,000
|
0
|
| Fiscal year maturity |
2020
|
|
|
| Industrial Development Bonds [Member] |
|
|
|
| Total debt |
$ 0
|
0
|
41,200
|
| Fiscal year maturity |
2020
|
|
|
| Employee Housing Bonds [Member] |
|
|
|
| Total debt |
$ 52,575
|
52,575
|
52,575
|
| 6.50% Notes [Member] |
|
|
|
| Total debt |
$ 0
|
0
|
215,000
|
| Fiscal year maturity |
2019
|
|
|
| Stated percentage in the debt instrument |
6.50%
|
|
|
| Long term debt interest rate |
6.50%
|
|
|
| Canyons Obligation [Member] |
|
|
|
| Total debt |
$ 320,277
|
317,455
|
314,657
|
| Fiscal year maturity |
2063
|
|
|
| Other [Member] |
|
|
|
| Total debt |
$ 11,308
|
$ 11,800
|
$ 12,503
|
| Maximum [Member] | Employee Housing Bonds [Member] |
|
|
|
| Fiscal year maturity, end |
May 01, 2039
|
|
|
| Maximum [Member] | Other [Member] |
|
|
|
| Fiscal year maturity, end |
Jul. 31, 2029
|
|
|
| Minimum [Member] | Employee Housing Bonds [Member] |
|
|
|
| Fiscal year maturity, start |
Jun. 01, 2027
|
|
|
| Minimum [Member] | Other [Member] |
|
|
|
| Fiscal year maturity, start |
Jul. 31, 2016
|
|
|