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

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

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

The day, month, and year (YYYY-MM-DD) that the dividend declared as of or prior to the financial reporting date will be paid in the subsequent period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of common stock cash dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The day, month and year (YYYY-MM-DD) that the dividend to be paid was declared.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The date as of when a holder must own the stock to be entitled to the dividend. The ex-dividend date is generally 3 days before the record date.

+ References

No definition available.

+ Details

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Dividends And Stock Repurchase Program (Schedule Of Cash Dividends Declared) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	3 Months Ended		6 Months Ended
	Nov. 02, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Dividends Payable [Line Items]
Record Date	Dec. 08, 2011
Payment Date	Jan. 10, 2012			Jul. 11, 2011
Dividend Per Share		$ 0.15	$ 0.12	$ 0.15	$ 0.12
Declared On November 11, 2010 [Member]
Dividends Payable [Line Items]
Declaration Date				Nov. 11, 2010
Record Date				Dec. 10, 2010
Payment Date				Jan. 07, 2011
Dividend Per Share				$ 0.12
Total Dividend Amount				$ 8,412
Declared On May 20, 2011 [Member]
Dividends Payable [Line Items]
Declaration Date				May 20, 2011
Record Date				Jun. 20, 2011
Payment Date				Jul. 11, 2011
Dividend Per Share				$ 0.12
Total Dividend Amount				8,285
Declared On November 2, 2011 [Member]
Dividends Payable [Line Items]
Declaration Date				Nov. 02, 2011
Record Date				Dec. 08, 2011
Payment Date				Jan. 10, 2012
Dividend Per Share				$ 0.15
Total Dividend Amount				$ 10,039