Long-Term Debt (Schedule Of Long-Term Debt) (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Total debt	$ 578,330,000	$ 537,291,000
Less current portion	43,617,000	34,273,000
Total long-term debt	534,713,000	503,018,000
Domestic And Multi-Currency Line Of Credit Up To $380,000 [Member]
Debt Instrument [Line Items]
Total debt	301,011,000	280,839,000
Domestic And Multi-Currency Line Of Credit Up To $100,000 Due 2013 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	100,000,000
Debt instrument, maturity date	May 29, 2013
Domestic And Multi-Currency Line Of Credit Up To $280,000 Due 2015 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	280,000,000
6.00% Series A Senior Unsecured Notes Due 2019 [Member]
Debt Instrument [Line Items]
Total debt	47,000,000	0
Debt instrument maturity, year	2019
Debt instrument, interest rate	6.00%
6.58% Series B Senior Unsecured Notes Due 2022 [Member]
Debt Instrument [Line Items]
Total debt	5,000,000	0
Debt instrument maturity, year	2022
Debt instrument, interest rate	6.58%
6.12% Senior Unsecured Notes Due 2012 [Member]
Debt Instrument [Line Items]
Total debt	0	16,667,000
Debt instrument maturity, year	2012
Debt instrument, interest rate	6.12%
Variable Rate Senior Unsecured Note Due 2015 [Member]
Debt Instrument [Line Items]
Total debt	41,667,000	50,000,000
Debt instrument maturity, year	2015
Debt instrument, maturity date	Mar. 31, 2015
6.09% Senior Unsecured Notes Due 2016 [Member]
Debt Instrument [Line Items]
Total debt	28,000,000	35,000,000
Debt instrument maturity, year	2016
Debt instrument, interest rate	6.09%
7.26% Senior Unsecured Notes Due 2017 [Member]
Debt Instrument [Line Items]
Total debt	25,000,000	25,000,000
Debt instrument maturity, year	2017
Debt instrument, interest rate	7.26%
6.21% Senior Unsecured Notes Due 2021 [Member]
Debt Instrument [Line Items]
Total debt	20,455,000	22,727,000
Debt instrument maturity, year	2021
Debt instrument, interest rate	6.21%
5.25% Convertible Senior Unsecured Notes Due 2029 [Member]
Debt Instrument [Line Items]
Total debt	$ 110,197,000	$ 107,058,000
Debt instrument maturity, year	2029
Debt instrument, maturity date	May 15, 2029
Debt instrument, interest rate	5.25%

The debt instrument's year of maturity.

No definition available.

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Namespace Prefix:	csh_
Data Type:	invest:dateStringItemType
Balance Type:	na
Period Type:	instant

- Definition

Interest rate stated in the contractual debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-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.

+ 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 Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-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 210

-SubTopic 10

-Section S99

-Paragraph 1

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

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Reference 3: 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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Balance Type:	credit
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Number 210

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-Paragraph 20, 22

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-Topic 944

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ 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 210.5-02.19,20)

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-Number 210

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Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Paragraph 1

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

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