Goodwill and Intangible Assets (Tables)

3 Months Ended

Oct. 31, 2011

Goodwill and Intangible Assets [Abstract]

Changes in the carrying amount of goodwill

	Americas			Europe			Asia-Pacific			Total
Balance as of July 31, 2011	$	425,578		$	171,238		$	203,527		$	800,343
Translation adjustments		(3,045	)		(3,048	)		(1,947	)		(8,040	)
Balance as of October 31, 2011	$	422,533		$	168,190		$	201,580		$	792,303

Other intangible assets

	October 31, 2011									July 31, 2011
	Weighted									Weighted
	Average									Average
	Amortization		Gross							Amortization		Gross
	Period		Carrying		Accumulated			Net Book		Period		Carrying		Accumulated			Net Book
	(Years)		Amount		Amortization			Value		(Years)		Amount		Amortization			Value
Amortized other intangible assets:
Patents		5	$	9,939	$	(8,604	)	$	1,335		5	$	9,784	$	(8,556	)	$	1,228
Trademarks and other		7		9,292		(7,025	)		2,267		7		9,448		(6,599	)		2,849
Customer relationships		7		162,659		(121,832	)		40,827		7		165,566		(119,977	)		45,589
Non-compete agreements and other		4		16,114		(15,562	)		552		4		16,432		(15,760	)		672
Unamortized other intangible assets:
Trademarks		N/A		39,480		—			39,480		N/A		39,623		—			39,623
Total			$	237,484	$	(153,023	)	$	84,461			$	240,853	$	(150,892	)	$	89,961