COMPREHENSIVE INCOME (Tables)

6 Months Ended

Jan. 31, 2012

Stockholders' Equity Note [Abstract]

Schedule of changes in the components of comprehensive income (loss)

	Three Months Ended						Six Months Ended
	Jan 31, 2012			Jan 31, 2011			Jan 31, 2012			Jan 31, 2011
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

Schedule of the unrealized gains (losses) on available-for-sale securities, net of related taxes

Unrealized investment gains on available-for-sale securities, net of related income taxes, consist of the following:

	Three Months Ended						Six Months Ended
	Jan 31, 2012			Jan 31, 2011			Jan 31, 2012			Jan 31, 2011
Unrealized (losses)/gains arising during the period	$	778		$	(1,452	)	$	403		$	560
Income taxes	(242		)	523			(270		)	(201		)
Net unrealized (losses)/gains arising during the period	536			(929		)	133			359
Reclassification adjustment for gains included in net earnings	22			—			(5,723		)	—
Change in unrealized investment (losses)/gains, net	$	558		$	(929	)	$	(5,590	)	$	359