OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands	12 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2009
Pretax amount, Foreign currency translation	$ 101,553	$ (31,167)	$ (50,115)
Pretax amount, Pension liability adjustment	14,560	(34,519)	(69,293)
Pretax amount, Unrealized investment gains	6,368	2,692	958
Pretax amount, Unrealized gains (losses) on derivatives		688	(256)
Pretax amount, Other comprehensive income	122,481	(62,306)	(118,706)
Tax effect, Foreign currency translation	8,676	1,401	(2,299)
Tax effect, Pension liability adjustment	(3,814)	10,919	21,638
Tax effect, Unrealized investment gains	(2,292)	(691)	122
Tax effect, Unrealized gains (losses) on derivatives		(244)	89
Tax effect, Other comprehensive income (loss)	2,570	11,385	19,550
Net amount, Foreign currency translation	110,229	(29,766)	(52,414)
Net amount, Pension liability adjustment	10,746	(23,600)	(47,655)
Net amount, Unrealized investment gains	4,076	2,001	1,080
Net amount, Unrealized gains (losses) on derivatives		444	(167)
Net amount, Other comprehensive income (loss)	$ 125,051	$ (50,921)	$ (99,156)