Elective deferrals vested percentage

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- Definition

Percentage of deferred earnings

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No definition available.

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- Definition

Percentage Of Earnings Deferred Into Company Stock Units

+ References

No definition available.

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- Definition

Percentage Of Earnings Deferred Into Company Stock Units Company Match

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No definition available.

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- Definition

Percentage Of Earnings Deferred Into Company Stock Units Deferred In Mutual Funds

+ References

No definition available.

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- Definition

Percentage Of Incentive Compensation Deferred Into Company Stock Units

+ References

No definition available.

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- Definition

Restricted stock or unit expense.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Expiration In Years

+ References

No definition available.

+ Details

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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Employee Incentive, Deferred Compensation, And Retirement Plans (Details) (USD $) Share data in Millions, unless otherwise specified	9 Months Ended			3 Months Ended		6 Months Ended	9 Months Ended						6 Months Ended		3 Months Ended	9 Months Ended	6 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Incentive Stock Award Plans [Member]	Sep. 30, 2012 Incentive Stock Award Plans [Member]	Jun. 30, 2013 Incentive Stock Award Plans [Member]	Sep. 30, 2013 Incentive Stock Award Plans [Member]	Sep. 30, 2012 Incentive Stock Award Plans [Member]	Sep. 30, 2013 Stock Units [Member]	Sep. 30, 2013 SWAP Plan [Member]	Sep. 30, 2013 Mutual Funds [Member]	Dec. 31, 2012 Mutual Funds [Member]	Jun. 30, 2013 Maximum [Member] Incentive Stock Award Plans [Member]	Jun. 30, 2013 Maximum [Member] Stock Units [Member]	Mar. 31, 2013 Maximum [Member] Deferred Compensation Plans [Member]	Sep. 30, 2013 Maximum [Member] SWAP Plan [Member]	Jun. 30, 2013 Minimum [Member] Incentive Stock Award Plans [Member]	Jun. 30, 2013 Minimum [Member] Stock Units [Member]	Mar. 31, 2013 Minimum [Member] Deferred Compensation Plans [Member]	Sep. 30, 2013 Minimum [Member] SWAP Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options expiration period						10 years
Awards vesting period in years													8 years	8 years	8 years	7 years	3 years	3 years	5 years	3 years
Shares authorized to grant	5.2
Stock-based compensation	$ 124,835,000	$ 29,213,000		$ (39,200,000)	$ 11,600,000		$ 109,500,000	$ 37,700,000
Tax benefit related to stock-based compensation recognized in shareholders' equity				800,000	1,100,000		10,400,000	14,500,000
Fair value of awards issued as retention	30,600,000
Unrecognized compensation expense related to non-vested options									253,300,000
Weighted-average period, compensation cost expected to recognized, in years									2 years 10 months 24 days
Total number of stock units outstanding									17.9	16.9
Unvested stock units outstanding									9.2
Percentage of incentive compensation deferred into company stock units										15.00%
Percentage of earnings deferred into company stock units										4.00%
Percentage of earnings deferred into company stock units, Company match										25.00%	25.00%
Percentage of earnings deferred into mutual funds											2.00%
Elective deferrals vested percentage										100.00%
Percentage of deferred earnings									1.00%
Investments	233,778,000		236,434,000								15,800,000	18,000,000
Deferred compensation liability	$ 13,000,000		$ 16,600,000