Accelerated Share Repurchase Program, Percent of Total Shares

No definition available.

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- Definition

Maximum Total Debt Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 25

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

+ Details

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ 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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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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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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Subsequent Event (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	Jul. 27, 2011	Mar. 06, 2015	Mar. 05, 2015	Feb. 26, 2015	Feb. 25, 2015	Feb. 24, 2015
Subsequent Event [Line Items]
Credit facility maximum borrowing capacity	$ 125,000,000
Maximum total debt leverage ratio	3.25chs_MaximumTotalDebtLeverageRatio
Subsequent Event [Member]
Subsequent Event [Line Items]
Quarterly dividend per share				$ 0.0775
Credit facility maximum borrowing capacity					125,000,000	70,000,000
Maximum total debt leverage ratio					3.50
Accelerated share repurchase agreement		$ 250,000,000
Accelerated share repurchased agreement, number of shares		10.7
Accelerated share repurchase, percent of total shares			75.00%