Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2011

Summary Of Significant Accounting Policies

Schedule Of Calculation Of Basic And Diluted Earnings Per Share

	2011		2010		2009
Numerator:
Net income	$	226,986	$	190,085	$	146,448
Denominator:
Basic weighted-average common shares outstanding		152,471		150,908		151,258
Effect of dilutive securities:
Stock options and restricted stock units		4,724		4,190		2,968
Diluted weighted average shares		157,195		155,098		154,226
Basic earnings per share	$	1.49	$	1.26	$	0.97
Diluted earnings per share	$	1.44	$	1.23	$	0.95

Schedule Of Changes In Product Warranty Liability

	2011			2010
Balance at the beginning of the year	$	11,507		$	8,295
Warranty accruals for the year		18,159			14,908
Warranty costs incurred for the year		(13,710	)		(11,691	)
Foreign currency translation adjustments		3,076			(5	)
Balance at the end of the year	$	19,032		$	11,507

Schedule Of Assumptions For Fair Value Of Stock Options And Purchase Rights Granted

	Years ended June 30
	2011			2010			2009
Stock Options:
Weighted average grant date fair value	$	10.30		$	8.03		$	5.29
Weighted average risk-free interest rate		1.3	%		2.2	%		1.9	%
Expected option life in years		5.3			5.0			4.6
Expected volatility		31-32	%		32-40	%		27-38	%
ESPP Purchase rights:
Weighted average risk-free interest rate		0.9	%		0.2	%		1.3	%
Expected option life		6 months			6 months			6 months
Expected volatility		24-29	%		23-55	%		33-55	%