Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jul. 31, 2011

Summary Of Significant Accounting Policies (Tables) [Abstract]

Property Plant And Equipment Estimated Useful Lives

Asset Category	Range of Useful Lives
Buildings and improvements		10 to 33 Years
Computer systems	5 Years
Machinery and equipment		3 to 10 Years

Goodwill

							Asia-
	Americas			Europe			Pacific		Total
Balance as of July 31, 2009	$	410,135		$	166,251		$	174,787	$	751,173
Current year acquisitions		13,370			6,896			—		20,266
Translation adjustments and other		1,513			(9,958	)		5,606		(2,839	)
Balance as of July 31, 2010	$	425,018		$	163,189		$	180,393	$	768,600
Current year acquisitions		—			—			4,792		4,792
Current year divestitures		(3,696	)		(8,380	)		—		(12,076	)
Translation adjustments and other		4,256			16,429			18,342		39,027
Balance as of July 31, 2011	$	425,578		$	171,238		$	203,527	$	800,343

Other Intangible Assets

	July 31, 2011									July 31, 2010
	Weighted									Weighted
	Average		Gross							Average		Gross
	Amortization		Carrying		Accumulated			Net Book		Amortization		Carrying		Accumulated			Net Book
	Period (Years)		Amount		Amortization			Value		Period (Years)		Amount		Amortization			Value
Amortized other intangible assets:
Patents		5	$	9,784	$	(8,556	)	$	1,228		5	$	9,314	$	(7,855	)	$	1,459
Trademarks and other		7		9,448		(6,599	)		2,849		7		8,823		(5,685	)		3,138
Customer relationships		7		165,566		(119,977	)		45,589		7		152,720		(95,996	)		56,724
Non-compete agreements and other		4		16,432		(15,760	)		672		4		15,239		(14,356	)		883
Unamortized other intangible assets:
Trademarks and tradenames		N/A		39,623		—			39,623		N/A		41,342		—			41,342
Total			$	240,853	$	(150,892	)	$	89,961			$	227,438	$	(123,892	)	$	103,546

Stock Option Assumptions

	2011						2010						2009
	Performance-						Performance-						Performance-
	Based			Service-Based			Based			Service-Based			Based		Service-Based
Black-Scholes Option Valuation Assumptions	Options			Options			Options			Options			Options		Options
Expected term (in years)		6.57			5.91			6.57			5.94			N/A		5.96
Expected volatility		39.39	%		40.22	%		38.72	%		39.88	%		N/A		36.07	%
Expected dividend yield		1.96	%		1.94	%		3.02	%		3.01	%		N/A		2.03	%
Risk-free interest rate		2.35	%		1.65	%		3.03	%		2.63	%		N/A		1.75	%
Weighted-average market value of underlying stock at grant date	$	28.43		$	29.13		$	28.73		$	28.68			N/A	$	21.26
Weighted-average exercise price	$	28.35		$	29.13		$	29.78		$	28.68			N/A	$	21.26
Weighted-average fair value of options granted	$	9.87		$	9.59		$	8.70		$	8.77			N/A	$	6.30

Components of Comprehensive Income

				Amortization
				of gain on
				post-
	Unrealized			retirement			Foreign			Accumulated
	(loss) gain on			medical,			currency			other
	cash flow			dental and			translation			comprehensive
	hedges			vision plan			adjustments			income
Beginning balance, July 31, 2008	$	(971	)	$	2,493		$	126,639		$	128,161
Current-period change		918			(551	)		(75,477	)		(75,110	)
Ending balance, July 31, 2009	$	(53	)	$	1,942		$	51,162		$	53,051
Current-period change		(268	)		(585	)		(1,293	)		(2,146	)
Ending balance, July 31, 2010	$	(321	)	$	1,357		$	49,869		$	50.905
Current-period change		(833	)		831			62,995			62,993
Ending balance, July 31, 2011	$	(1,154	)	$	2,188		$	112,864		$	113,898