ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	$ (40,792)
Other comprehensive income/(loss) before reclassifications	23,967
Foreign exchange adjustments and other	8,023
Foreign exchange adjustments and other	(6,119)
Balance at July 31, 2014	(14,921)
Foreign Currency Translation [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	84,598
Other comprehensive income/(loss) before reclassifications	14,091
Foreign exchange adjustments and other	0
Balance at July 31, 2014	98,689
Defined Benefit Pension Plan [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	(125,211)
Other comprehensive income/(loss) before reclassifications	1,161
Foreign exchange adjustments and other	8,889
Foreign exchange adjustments and other	(6,119)
Balance at July 31, 2014	(121,280)
Unrealized investment gains/(losses) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	2,123
Other comprehensive income/(loss) before reclassifications	435
Foreign exchange adjustments and other	322
Balance at July 31, 2014	2,880
Unrealized gains/(losses) on derivatives [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	(2,302)
Other comprehensive income/(loss) before reclassifications	8,280
Foreign exchange adjustments and other	(1,188)
Balance at July 31, 2014	$ 4,790