Summary Of Significant Accounting Policies (Tables)

3 Months Ended

Sep. 30, 2011

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Calculation Of Basic And Diluted Earnings Per Share

	Three Months Ended September 30,
	2011		2010
Numerator:
Net Income, used in calculating diluted earnings per share	$	50,518	$	56,708
Denominator:
Basic weighted-average common shares outstanding		150,366		151,474
Effect of dilutive securities:
Stock options and restricted stock units		3,685		5,278
Diluted weighted average shares		154,051		156,752
Basic earnings per share	$	0.34	$	0.37
Diluted earnings per share	$	0.33	$	0.36

Schedule Of Changes In Product Warranty Liability

	Three months ended September 30,
	2011			2010
Balance at the beginning of the period	$	19,032		$	11,507
Warranty accruals for the period		4,506			2,944
Warranty costs incurred for the period		(3,533	)		(2,262	)
Foreign currency translation adjustments		(1,940	)		1,651
Balance at the end of the period	$	18,065		$	13,840

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

	Three months ended September 30,
	2011			2010
Stock options:
Weighted average grant date fair value	$	9.22		$	9.29
Weighted average risk-free interest rate		1.4	%		1.8	%
Expected option life in years		5.29			5.0
Expected volatility		31	%		32	%
ESPP purchase rights:
Weighted average risk-free interest rate		0.1	%		0.3	%
Expected option life in years		6 months			6 months
Expected volatility		24	%		29	%