ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	$ (40,792)
Other comprehensive income/(loss) before reclassifications	25,656
Amounts reclassified from accumulated other comprehensive income (loss)	5,170
Foreign exchange adjustments and other	(4,995)
Balance at January 31, 2014	(14,961)
Foreign Currency Translation [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at July 31, 2013	84,598
Other comprehensive income/(loss) before reclassifications	21,289
Amounts reclassified from accumulated other comprehensive income (loss)	0
Balance at January 31, 2014	105,887
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)	4,330
Foreign exchange adjustments and other	(4,995)
Balance at January 31, 2014	(125,876)
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	(450)
Amounts reclassified from accumulated other comprehensive income (loss)	76
Balance at January 31, 2014	1,749
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	4,817
Amounts reclassified from accumulated other comprehensive income (loss)	764
Balance at January 31, 2014	$ 3,279