ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Apr. 30, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	$ (40,792)
Other comprehensive income/(loss) before reclassifications	50,671
Amounts reclassified from accumulated other comprehensive income (loss)	7,021
Foreign exchange adjustments and other	(6,597)
Balance at April 30, 2014	10,303
Foreign Currency Translation [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	84,598
Other comprehensive income/(loss) before reclassifications	46,330
Amounts reclassified from accumulated other comprehensive income (loss)	0
Balance at April 30, 2014	130,928
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	0
Amounts reclassified from accumulated other comprehensive income (loss)	6,551
Foreign exchange adjustments and other	(6,597)
Balance at April 30, 2014	(125,257)
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	(813)
Amounts reclassified from accumulated other comprehensive income (loss)	215
Balance at April 30, 2014	1,525
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	5,154
Amounts reclassified from accumulated other comprehensive income (loss)	255
Balance at April 30, 2014	$ 3,107