ACQUISITIONS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014
Business Acquisition [Line Items]
Purchase price, including working capital adjustments	$ 348,817
Cash acquired	4,463
Purchase price, net of cash acquired	344,354
Accounts receivable	23,176
Inventories	35,321
Other current assets	9,150
Property, plant and equipment	37,261
Intangible assets	124,168
Other non-current assets	6,871
Total identifiable assets acquired, net of cash acquired	235,947
Current liabilities	25,332
Non-current liabilities	17,010
Total liabilities assumed	42,342
Goodwill (excess cost over value of net assets acquired)	$ 150,749