Stock-Based Compensation (Summary of Incentive Equity Awards) (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic values of stock options exercised	$ 9.7		$ 8.7		$ 10.1
Outstanding "in the money" stock options fiscal year-end share price	$ 21.27
Shares, outstanding	8,300,000
Outstanding "in the money" stock options aggregate intrinsic value	30.3
Time-Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-Average Value, Beginning balance	$ 20.19		$ 16.52		$ 16.35
Weighted-Average Value, Granted	$ 18.37		$ 21.59		$ 18.65
Weighted-Average Value, Vesting of restricted stock units	$ 18.68	[1]	$ 14.22	[1]	$ 17.88	[1]
Weighted-Average Value, Expired/forfeited	$ 19.91		$ 19.40		$ 21.51
Weighted-Average Value, Ending balance	$ 19.61	[2]	$ 20.19		$ 16.52
Number of Shares, Beginning balance	1,932,003		1,884,170		1,958,112
Number of Shares, Granted	1,142,616		1,044,004		1,005,598
Number of Shares, Vesting of restricted stock units	(887,892)	[1]	(901,654)	[1]	(982,805)	[1]
Number of Shares, Expired/forfeited	(161,158)		(94,517)		(96,735)
Number of Shares, Ending balance	2,025,569	[2]	1,932,003		1,884,170
Intrinsic values of Time-Based restricted stock units	20.9		20.6		20.8
Share price	$ 21.27
Shares	2,000,000
Aggregate intrinsic value	42.2
Performance-Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-Average Value, Beginning balance	$ 20.18		$ 16.45		$ 15.72
Weighted-Average Value, Granted	$ 17.61		$ 21.64		$ 18.64
Weighted-Average Value, Vesting of restricted stock units	$ 18.68	[1]	$ 14.03	[1]	$ 18.34	[1]
Weighted-Average Value, Expired/forfeited	$ 18.73				$ 16.27
Weighted-Average Value, Ending balance	$ 20.39	[2]	$ 20.18		$ 16.45
Number of Shares, Beginning balance	708,724		670,859		533,400
Number of Shares, Granted	342,628		359,253		407,043
Number of Shares, Vesting of restricted stock units	(279,028)	[1]	(321,388)	[1]	(266,634)	[1]
Number of Shares, Expired/forfeited	(69,129)				(2,950)
Number of Shares, Ending balance	703,195	[2]	708,724		670,859
Intrinsic values of Time-Based restricted stock units	6.7		7.4		5.7
Share price	$ 21.27
Shares	600,000
Aggregate intrinsic value	$ 12.1
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-Average Value, Beginning balance	$ 18.94		$ 19.33		$ 18.86
Weighted-Average Value, Granted	$ 24.01		$ 22.53		$ 22.94
Weighted-Average Value, Exercise of stock options	$ 18.52	[3]	$ 19.22	[3]	$ 18.46	[3]
Weighted-Average Value, Expired/forfeited	$ 20.03		$ 24.05		$ 19.93
Weighted-Average Value, Ending balance	$ 19.42	[2]	$ 18.94		$ 19.33
Number of Shares, Beginning balance	13,774,726		17,369,212		18,659,152
Number of Shares, Granted	1,057,538		284,150		1,751,500
Number of Options, Exercise of stock options	(2,151,613)	[3]	(2,488,648)	[3]	(2,905,972)	[3]
Number of Shares, Expired/forfeited	(299,163)		(1,389,988)		(135,468)
Number of Shares, Ending balance	12,381,488	[2]	13,774,726		17,369,212

[1] Time-based restricted stock units that vested during the fiscal years ended June 30, 2012, 2011 and 2010 had a total fair value of $20.9 million, $20.6 million and $20.8 million, respectively. Performance-based restricted stock units that vested during the fiscal years ended June 30, 2012, 2011 and 2010 had a total fair value of $6.7 million, $7.4 million and $5.7 million, respectively.

[2] As of June 30, 2012, the Company's outstanding "in the money" stock options using the fiscal year-end share price of $21.27 (approximately 8.3 million shares) had an aggregate intrinsic value of $30.3 million. As of June 30, 2012, time-based restricted stock units and performance-based restricted stock units expected to vest using the fiscal year-end share price of $21.27 (approximately 2.0 million and 0.6 million shares, respectively) had an aggregate intrinsic value of $42.2 million and $12.1 million, respectively.

[3] Stock options exercised during the fiscal years ended June 30, 2012, 2011 and 2010 had intrinsic values of $9.7 million, $8.7 million and $10.1 million, respectively.