PENSION AND OTHER POSTRETIREMENT BENEFITS Amounts Recognized in Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Jul. 31, 2015	Jul. 31, 2014
Defined Benefit Plans and Postretirement Health Benefits
Other noncurrent Liabilities	$ (23,429)	$ (22,273)
Pension Benefits
Defined Benefit Plans and Postretirement Health Benefits
Deferred income tax	7,376	6,634
Other current liabilities	0	0
Other noncurrent Liabilities	(21,156)	(19,563)
Accumulated other comprehensive income - net of tax, Net actuarial loss	8,909	8,156
Accumulated other comprehensive income - net of tax, Prior service cost (income)	9	15
Postretirement Health Benefits
Defined Benefit Plans and Postretirement Health Benefits
Deferred income tax	866	1,017
Other current liabilities	(89)	(60)
Other noncurrent Liabilities	(2,273)	(2,710)
Accumulated other comprehensive income - net of tax, Net actuarial loss	92	500
Accumulated other comprehensive income - net of tax, Prior service cost (income)	$ (35)	$ (39)