[Line Items] for Schedule of Shareholders' Equity [Table]

No definition available.

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- Definition

Share based compensation number of reserved shares for potential issuance as a percentage of outstanding common stock.

+ References

No definition available.

+ Details

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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 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=27012166&loc=d3e187085-122770

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 3: 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=27012166&loc=d3e187085-122770

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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions					3 Months Ended		6 Months Ended		61 Months Ended	104 Months Ended	120 Months Ended
	May. 19, 2015	Nov. 04, 2014	May. 02, 2014	May. 17, 2010	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2015	Jun. 30, 2015	May. 18, 2015
Schedule of Shareholders' Equity [Line Items]
Cash dividends declared per common share					$ 0.11	$ 0.09	$ 0.11	$ 0.09
Dividend Declared [Member]
Schedule of Shareholders' Equity [Line Items]
Cash dividends declared per common share	$ 0.11	$ 0.09	$ 0.09
2010 Stock Repurchase Program
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program authorized percentage				5.00%
Stock repurchase program amount authorized (in shares)	5,700,000			2,900,000.0								2,750,000.00
Stock repurchased during period (in shares)									2,600,000
Aggregate price of shares repurchased since inception									$ 31.5
Average price of shares repurchased since inception (per share)									$ 11.97
2005 401(k) Stock Repurchase Program
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)							300,000	200,000			5,300,000
Aggregate price of shares repurchased since inception											$ 45.4
Average price of shares repurchased since inception (per share)											$ 8.58
2006 Director and Officer Repurchase Program
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)						50,000	10,000			1,800,000
Aggregate price of shares repurchased since inception										$ 14.5
Average price of shares repurchased since inception (per share)										$ 7.94