Shareholders' Equity And Share-Based Compensation (Narrative) (Detail) (USD $)	0 Months Ended	1 Months Ended	0 Months Ended	12 Months Ended					12 Months Ended														12 Months Ended						0 Months Ended	12 Months Ended			12 Months Ended	0 Months Ended	12 Months Ended			1 Months Ended
	Dec. 08, 2010	Oct. 26, 2011	Mar. 21, 2008	Jun. 30, 2012 Year Day	Jun. 30, 2011 Year	Jun. 30, 2010	Mar. 06, 2011 Day	Mar. 06, 2008 Day	Jun. 30, 2012 Restricted Stock [Member]	Jun. 30, 2011 Monte Carlo Simulation And Lattice-Based Models [Member]	Jun. 30, 2010 Monte Carlo Simulation And Lattice-Based Models [Member]	Jun. 30, 2012 Restricted Stock Units With Performance Conditions [Member] Year	Jun. 30, 2011 Restricted Stock Units With Performance Conditions [Member] Year	Jun. 30, 2010 Restricted Stock Units With Performance Conditions [Member]	Jun. 30, 2009 Restricted Stock Units With Performance Conditions [Member]	Jun. 30, 2012 Restricted Stock Units With Market Conditions [Member]	Jun. 30, 2011 Restricted Stock Units With Market Conditions [Member]	Jun. 30, 2012 Monte Carlo Simulation [Member]	Jun. 30, 2011 Monte Carlo Simulation [Member]	Jun. 30, 2012 Restricted Stock Units [Member]	Jun. 30, 2012 Stock Appreciation Rights SARS [Member] Year	Jun. 30, 2012 Incentive Plans [Member]	Jun. 30, 2012 Restricted Stock Units With Earning Per Share Performance Conditions [Member]	Jun. 30, 2012 Restricted Stock Units With Return On Invested Capital Performance Conditions [Member]	Jun. 30, 2012 2002 Plan [Member]	Jun. 30, 2012 2002 Plan [Member] Restricted Stock Units [Member]	Jun. 30, 2011 2002 Plan [Member] Restricted Stock Units [Member]	Jun. 30, 2010 2002 Plan [Member] Restricted Stock Units [Member]	Dec. 08, 2010 2002 Plan [Member] Common Stock [Member]	Jun. 30, 2012 2002 Plan [Member] Common Stock [Member]	Jun. 30, 2012 2012 Plan [Member]	Dec. 07, 2011 2012 Plan [Member]	Jun. 30, 2012 2012 Plan [Member] Full Value Grant [Member]	Dec. 07, 2011 2012 Plan [Member] Option Or Stock Appreciation Right Grant [Member]	Jun. 30, 2012 2012 Plan [Member] Option Or Stock Appreciation Right Grant [Member]	Jun. 30, 2012 2012 Plan [Member] Restricted Stock Units [Member]	Jun. 30, 2012 2012 Plan [Member] Common Stock [Member]	Sep. 30, 2008 Outside 2002 Plan [Member] Restricted Stock Units [Member]	Jan. 31, 2008 Outside 2002 Plan [Member] Restricted Stock Units [Member]
Preferred stock, shares outstanding				0	0
Preferred stock, shares authorized				5,000,000	5,000,000
Preferred stock, par value				$ 0.01	$ 0.01
Common stock, shares authorized				200,000,000	200,000,000
Common stock, par value				$ 0.01	$ 0.01
Common stock, shares issued				96,132,542	95,520,068
Treasury stock, shares				28,846,226	25,599,817
Common stock, shares outstanding				67,286,316	69,920,251
Board of Directors authorized the repurchase of common stock		$ 200,000,000
Repurchased shares under the buyback program		3,246,409
Share-based compensation				17,370,000	17,973,000	21,320,000				1,500,000	1,400,000
Total income tax benefit recognized				5,600,000	5,200,000	5,200,000
Shares available for grant																															4,236,169	4,400,000
Number of stock options, common stock and restricted stock units granted			330,470	584,923																						645,558				454,630						22,731	141,100
Stock option and Incentive Plan, maturity date																															Dec. 07, 2021
Number of awards for reduction of shares available for grant under 2012 Plan																															1
Reduction in shares available for grant for one award under the plan																																	1.71		1.00
Option awards expiration, maximum, years																													Ten						Ten
Option awards vesting period, minimum years																													Three					Three
Option awards vesting period, maximum years																													Five					Five
Number of shares available for grant of stock options, stock appreciation rights, restricted stock and restricted stock units	1,100,000
Grant of stock options stock appreciation rights restricted stock and restricted stock units not to exceed for shares of common stock	7,860,000
Option awards expiration, minimum, years									Three
Share, Outstanding				1,940,514					3,000												10,807	45,600
Shares granted under the 2002 Plan				1,940,514																	10,807
Shares granted outside the 2002 Plan				1,608
Maximum percentage of predetermined spread																					100.00%
The value of performance unit																					100
Performance period minimum years																					3
Weighted-average grant-date fair value of options granted				$ 14.30	$ 14.76	$ 12.82
Total intrinsic value of options exercised				7,000,000	6,000,000	2,400,000
Extended vesting period after employee termination, days				90
Trading period, in days							20	20
Base price used for TSR calculation								42.19
Grant date fair value			4,200,000
Total unrecognized compensation cost									100,000											76,600,000
Weighted average recognition period, years									1 month 6 days											1 year 2 months 12 days
Restricted stock units granted													191,721	380,400	133,507	118,546	191,715						118,546	118,546		312,651	329,112	388,856										28,344	34,608
Cliff vesting period, in years				3	3
Compensation expenses recognized period (years)																									3 years
Restricted stock units, grant date fair value																		3,300,000	5,200,000
Restricted stock units vesting period												3	3
Restricted stock units, settled in common stock																										311,500
Restricted stock units, settled in cash																										$ 1,150
Number of restricted stock units settled				1,608	9,647	19,213
Cash-settled restricted stock units, outstanding				1,608	3,216
Restricted stock units settled cost				100,000	300,000	800,000
Aggregate intrinsic value of equity classified restricted stock																				34,800,000
Reclassified from a liability to Additional paid-in capital in our Consolidated Balance Sheet				500,000
compensation expenses				$ 500,000