Stock-Based Compensation (Summary of Outstanding Options) (Detail) (Outstanding Options [Member], USD $)	12 Months Ended
	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding	12,381,488
Weighted Average Remaining Contractual Life, Outstanding Options	5 years 18 days
Weighted Average Exercise Price, Outstanding Options	$ 19.42
$0.01 to $14.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Minimum	$ 0.01
Range of Exercise Price, Maximum	$ 14.00
Options Outstanding	760,756
Weighted Average Remaining Contractual Life, Outstanding Options	4 years 1 month 17 days
Weighted Average Exercise Price, Outstanding Options	$ 13.80
$14.01 to $16.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Minimum	$ 14.01
Range of Exercise Price, Maximum	$ 16.00
Options Outstanding	1,318,713
Weighted Average Remaining Contractual Life, Outstanding Options	2 years 10 months 13 days
Weighted Average Exercise Price, Outstanding Options	$ 15.71
$16.01 to $18.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Minimum	$ 16.01
Range of Exercise Price, Maximum	$ 18.00
Options Outstanding	2,090,179
Weighted Average Remaining Contractual Life, Outstanding Options	3 years 2 months 9 days
Weighted Average Exercise Price, Outstanding Options	$ 17.34
$18.01 to $20.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Minimum	$ 18.01
Range of Exercise Price, Maximum	$ 20.00
Options Outstanding	3,488,451
Weighted Average Remaining Contractual Life, Outstanding Options	3 years 11 months 9 days
Weighted Average Exercise Price, Outstanding Options	$ 18.76
$20.01 to $22.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Minimum	$ 20.01
Range of Exercise Price, Maximum	$ 22.00
Options Outstanding	2,051,082
Weighted Average Remaining Contractual Life, Outstanding Options	6 years 9 months 15 days
Weighted Average Exercise Price, Outstanding Options	$ 21.42
$22.01 to $24.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Minimum	$ 22.01
Range of Exercise Price, Maximum	$ 24.00
Options Outstanding	1,318,420
Weighted Average Remaining Contractual Life, Outstanding Options	6 years 10 months 2 days
Weighted Average Exercise Price, Outstanding Options	$ 22.93
$24.01 to $26.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Minimum	$ 24.01
Range of Exercise Price, Maximum	$ 26.00
Options Outstanding	1,353,887
Weighted Average Remaining Contractual Life, Outstanding Options	9 years 18 days
Weighted Average Exercise Price, Outstanding Options	$ 24.65