Stock Plans And Stock-Based Compensation (Narrative) (Details) (USD $)	12 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2009
Excess tax benefits recognized	$ 2,200,000		$ 200,000		$ 200,000
Number of equity instruments forfeited	85,460		56,667		172,889
Maximum exercisable period for non-qualified stock options	ten
Term of equity instruments granted	seven
Vesting percentage based on death or permanent disability of grantees	100.00%
Vesting percentage based upon retirement	100.00%
Total intrinsic value of RSUs that vested	15,400,000		4,500,000		5,300,000
Tax benefit realized from vesting of restricted stock units	6,100,000		1,700,000		2,100,000
Grant date fair value of stock options vested	13,700,000		8,100,000		4,400,000
Maximum number of shares that an eligible employee can purchase	The maximum number of shares that an eligible employee can purchase during any quarter is equal to two times an amount determined as follows: 20 percent of such employee's compensation over the quarter, divided by 95 percent of the fair market value of a share of common stock on the last day of the quarter
Stock-based compensation expense	17,915,000	[1]	30,750,000	[1]	16,821,000	[1],[2]
President [Member] | SSARs [Member]
One-time special grants of SSARs	25,000
Chief Operating Officer [Member] | SSARs [Member]
One-time special grants of SSARs	300,000
Participants [Member] | ESPP [Member]
Shares purchased under ESPP	792,180
Weighted-average purchase price per share	$ 45.16
Employees [Member] | ESPP [Member]
Shares purchased under ESPP	75,321
Weighted-average purchase price per share	$ 47.00
Company [Member] | ESPP [Member]
Shares purchased under ESPP	75,321
Director [Member] | DSPP [Member]
Percentage of annual retainer fees in lieu of which RSU received	100.00%
Senior Executive [Member] | MSPP [Member]
Percentage of annual bonus in lieu of which RSU received	100.00%
SSARs And Stock Options [Member]
Number of equity instruments forfeited	85,460		56,667		164,055
One-time special grants of SSARs					346,300
Weighted-average fair value of equity instruments granted					$ 17.09
Unrecognized compensation cost	3,400,000
Weighted-average period to recognize unrecognized compensation cost	1.5
Restricted Stock And Restricted Stock Units [Member]
Number of Shares, Granted	800,112		499,466		410,699
Weighted-average fair value of equity instruments granted	$ 43.79		$ 46.01		$ 48.77
Unrecognized compensation cost	18,800,000
Weighted-average period to recognize unrecognized compensation cost	2.5
Performance-Based RSUs Granted In 2008 [Member]
Vesting period	three
Performance-Based RSUs Granted In 2009 [Member]
Vesting period	one
Performance-Based RSUs Awarded For Given NATP Level [Member]
Vesting period	four
2006 Plan [Member]
Number of shares authorized for grants	10,950,000
Cumulative grants of equity instruments	11,488,491
Number of equity instruments forfeited	2,286,294
Restricted Shares And Non-Performance Based Restricted Stock Units [Member]
Vesting period	three
SSARs [Member]
Vesting period	five
SSARs Not Vesting Under Market-Based Feature [Member]
Vesting period	five
Performance-Based RSUs [Member]
Number of Shares, Granted	727,880
ESPP [Member]
Number of shares authorized for grants	1,000,000
Share purchase price over fair market value	95.00%
Stock-based compensation expense	$ 0
MSPP [Member]
Vesting period	three
Number of shares authorized for grants	500,000
Number of Shares, Granted	15,171
Share purchase price over fair market value	85.00%		85.00%		85.00%
DSPP [Member]
Number of shares authorized for grants	75,000
Number of Shares, Granted	241

[1] Certain amounts as of and for the years ended June 30, 2008 and 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.

[2] Certain amounts for the year ended June 30, 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.