COMPREHENSIVE INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2012	Jan. 31, 2011
Stockholders' Equity Note [Abstract]
Net earnings	$ 84,729	$ 75,664	$ 154,184	$ 147,073
Unrealized translation adjustment	(40,736)	(7,705)	(65,670)	38,277
Income taxes	(1,112)	(717)	(310)	3,933
Unrealized translation adjustment, net	(41,848)	(8,422)	(65,980)	42,210
Pension liability adjustment	7,113	3,850	13,367	4,532
Income taxes	(3,559)	(1,217)	(5,582)	(1,476)
Pension liability adjustment, net	3,554	2,633	7,785	3,056
Change in unrealized investment (losses)/gains	812	(1,452)	(8,794)	560
Income taxes	(254)	523	3,204	(201)
Change in unrealized investment (losses)/gains, net	558	(929)	(5,590)	359
Total comprehensive income	$ 46,993	$ 68,946	$ 90,399	$ 192,698

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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