Shareholders' Equity And Share-Based Compensation (Summary Of Stock Option Activity) (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	12 Months Ended
Mar. 21, 2008	Jun. 30, 2012 Year
Outstanding, 2011, shares		2,489,998
Granted, shares	330,470	584,923
Exercised, shares		(422,949)
Forfeited or expired,shares		(241,254)
Outstanding, 2012, shares		2,410,718
Exercisable, shares		1,421,730
Outstanding, Weighted Average Exercise Price Per Share		$ 56.39
Granted, Weighted Average Exercise Price Per Share		$ 36.71
Exercised, Weighted Average Exercise Price Per Share		$ 31.52
Forfeited or expired, Weighted Average Exercise Price Per Share		$ 77.35
Outstanding, Weighted Average Exercise Price Per Share		$ 54.71
Exercisable, Weighted Average Exercise Price Per Share		$ 66.53
Outstanding, Weighted Average Remaining Contractual Term (Years)		6.36
Outstanding, Weighted Average Remaining Contractual Term (Years)		6.42
Exercisable, Weighted Average Remaining Contractual Term (Years)		5 years 15 days
Outstanding, Aggregate Intrinsic Value		$ 19,270
Outstanding, Aggregate Intrinsic Value		9,359
Exercisable, Aggregate Intrinsic Value		$ 3,826

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months).

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Number of share options (or share units) exercised during the current period.

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