Income Taxes (Components Of Provision (Benefit) For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Income Tax Disclosure [Abstract]
Current federal	$ 8,082	$ 25,753	$ 1,407
Current state	1,565	3,991	51
Total current	9,647	29,744	1,458
Deferred federal	5,470	(7,175)	7,682
Deferred state	749	(950)	1,561
Deferred Income Tax Expense (Benefit)	6,219	(8,125)	9,243
Provision for income taxes	$ 15,866	$ 21,619	$ 10,701

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.