Shared-Based Compensation Plans (Schedule Of Share-Based Compensation Outstanding And Exercisable Options) (Detail) (USD $)	12 Months Ended
	Jun. 30, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number of Shares	4,532,418
Options Outstanding, Weighted Average Remaining Contractual Term (Years)	5 years 9 months 7 days
Options Outstanding, Weighted Average Exercise Price	$ 14.77
Options Exercisable, Number of Shares	2,819,294
Options Exercisable, Weighted Average Remaining Contarctual Term (Years)	4 years 6 months 18 days
Options Exercisable, Weighted Average Exercise Price	$ 13.44
$3.23 - $5.60
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 3.23
Range of Exercise Prices, Upper range	$ 5.60
Options Outstanding, Number of Shares	91,400
Options Outstanding, Weighted Average Remaining Contractual Term (Years)	9 months 15 days
Options Outstanding, Weighted Average Exercise Price	$ 4.24
Options Exercisable, Number of Shares	91,400
Options Exercisable, Weighted Average Remaining Contarctual Term (Years)	9 months 15 days
Options Exercisable, Weighted Average Exercise Price	$ 4.24
$5.75 - $8.80
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 5.75
Range of Exercise Prices, Upper range	$ 8.80
Options Outstanding, Number of Shares	444,770
Options Outstanding, Weighted Average Remaining Contractual Term (Years)	2 years 3 months 29 days
Options Outstanding, Weighted Average Exercise Price	$ 8.38
Options Exercisable, Number of Shares	444,770
Options Exercisable, Weighted Average Remaining Contarctual Term (Years)	2 years 3 months 29 days
Options Exercisable, Weighted Average Exercise Price	$ 8.38
$8.92 - $13.89
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 8.92
Range of Exercise Prices, Upper range	$ 13.89
Options Outstanding, Number of Shares	1,850,710
Options Outstanding, Weighted Average Remaining Contractual Term (Years)	5 years 18 days
Options Outstanding, Weighted Average Exercise Price	$ 11.54
Options Exercisable, Number of Shares	1,336,750
Options Exercisable, Weighted Average Remaining Contarctual Term (Years)	4 years 4 months 6 days
Options Exercisable, Weighted Average Exercise Price	$ 11.29
$14.01 - $21.62
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 14.01
Range of Exercise Prices, Upper range	$ 21.62
Options Outstanding, Number of Shares	1,422,324
Options Outstanding, Weighted Average Remaining Contractual Term (Years)	7 years 10 months 10 days
Options Outstanding, Weighted Average Exercise Price	$ 17.13
Options Exercisable, Number of Shares	529,552
Options Exercisable, Weighted Average Remaining Contarctual Term (Years)	6 years 7 months 10 days
Options Exercisable, Weighted Average Exercise Price	$ 16.78
$23.03 - $27.18
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 23.03
Range of Exercise Prices, Upper range	$ 27.18
Options Outstanding, Number of Shares	723,214
Options Outstanding, Weighted Average Remaining Contractual Term (Years)	6 years 2 months 19 days
Options Outstanding, Weighted Average Exercise Price	$ 23.69
Options Exercisable, Number of Shares	416,822
Options Exercisable, Weighted Average Remaining Contarctual Term (Years)	5 years 8 months 23 days
Options Exercisable, Weighted Average Exercise Price	$ 23.52