Compensation Expense Net Of Estimated Forfeitures Related To Non Vested Stock Options To Be Recognized As Expense Over Specified Weighted Average Period Less Than.

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- Definition

Compensation expense related to non vested restricted stock units to be recognized as expense.

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- Definition

Employee Service Share Based Compensation Nonvested Awards Compensation Cost Not Yet Recognized Expected Period For Recognition.

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- Definition

Estimated Stock Based Compensation Expense.

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- Definition

Number of restricted stock units that will vest on a specified date if the performance conditions are met.

+ Details

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- Definition

Number of team member to whom RSU with service and performance Conditions were granted In Period .

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- Definition

Share Based Compensation Arrangement By Share-Based Payment Award Equity Instruments Other Than Options non Vested forfeiture.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Intrinsic Values.

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- Definition

Stock-Based Compensation Continued (Textuals) [Abstract]

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Stock Based Compensation (Textuals) [Abstract].

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- Definition

Weighted average period for compensation expense related to non vested restricted stock units to be recognized as expense.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(2)(c)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph c(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

+ References

+ Details

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- Definition

The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-SubTopic 10
-Topic 718
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Stock-Based Compensation (Details Textuals) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended	3 Months Ended	6 Months Ended
Stock-Based Compensation (Details Textuals) (USD $)	Jun. 30, 2011 Employees Years	Jun. 30, 2010	Jun. 30, 2011 Years	Jun. 30, 2010	Jun. 30, 2011 Six Members Of Leadership Team [Member] RSUs with service and performance conditions [Member]	Jun. 30, 2010 Chief Executive Officer [Member] RSUs that will vest based on strategic objectives [Member]	Jun. 30, 2011 Chief Executive Officer [Member] RSUs that will vest based on strategic objectives [Member]	Mar. 31, 2010 Restricted Stock Units [Member]	Jun. 30, 2011 Restricted Stock Units [Member]	Jun. 30, 2010 Restricted Stock Units [Member]
Stock-Based Compensation (Textuals) [Abstract]
Special dividend			$ 0.35					$ 0.35
Total estimated additional stock-based compensation expense related to the special dividend equivalent on restricted stock units										$ 2,000,000
Company granted RSU's					294,000		50,000		2,058,000
Period for recognition of Total additional stock-based compensation expense related to the special dividend										through March 1, 2014
Number of restricted stock units that will vest on March 1, 2013 if the performance conditions are met						100,000
Number of team members to whom restricted stock units with service and performance conditions were granted in period	6
Weighted average grant date fair value of RSUs granted									$ 11.77	$ 9.32
Aggregate intrinsic value of the RSUs vested									12,500,000	7,100,000
Intrinsic value of the non-vested net of forfeitures									104,000,000
Compensation expense related to non-vested RSUs to be recognized as expense									45,600,000
Stock-Based Compensation Continued (Textuals) [Abstract]
Stock-based compensation expense	5,343,000	5,404,000	9,219,000	9,635,000
Aggregate intrinsic value of stock options exercised			5,300,000	4,200,000
Compensation expense net of estimated forfeitures related to non-vested stock options to be recognized as expense over a specified weighted average period, Less than	$ 100,000		$ 100,000
Weighted average contractual term	2.1		2.1
Weighted average period for compensation expense related to non-vested RSUs to be recognized as expense			2.5