Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Debt Instrument [Line Items]
Commitment fee on unused portion of credit facilities	50.00%
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	9.125%
Notes Payable, Due 2018 [Member] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 405
Early call date, premium price, percentage	109.125%
Notes Payable Due 2021 [Member] [Domain] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	500
Debt Instrument, Interest Rate, Stated Percentage	5.25%
Redemption percentage of original face amount	100.00%
Early call date, percentage of notes availabe for redemption	35.00%
Early call date, premium price, percentage	105.25%
Credit Agreement 2013 [Member] [Domain]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	885
Consolidated leverage ratio requirement	6.25
Consolidated leverage ratio	3.81
EBITDA cushion on the ratio	157.0
Pro-forma consolidated leverage ratio	5.00
Credit Agreement 2013 [Member] [Domain] \| Maximum [Member]
Debt Instrument [Line Items]
Restricted payment	60
Credit Agreement 2013 [Member] [Domain] \| Canadian Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	15
Credit Agreement 2013 [Member] [Domain] \| Canadian Revolving Credit Facility Cad and USD [Domain]
Debt Instrument [Line Items]
Interest rate margin over LIBOR	2.25%
Credit Agreement 2013 [Member] [Domain] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	630
Debt Instrument, Periodic Payment	6.3
Interest rate margin over LIBOR	2.50%
Interest rate LIBOR floor	0.75%
Credit Agreement 2013 [Member] [Domain] \| Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	255
Original Issue Discount [Member] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Unamortized discount	5.6
Effective interest rate percentage	9.375%
2010 Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	1,435
2010 Credit Agreement [Member] \| Canadian Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	15
2010 Credit Agreement [Member] \| Canadian Revolving Credit Facility, USD [Member]
Debt Instrument [Line Items]
Interest rate margin over LIBOR	4.00%
2010 Credit Agreement [Member] \| Canadian Revolving Credit Facility, CAD [Member]
Debt Instrument [Line Items]
Interest rate margin over LIBOR	4.00%
2010 Credit Agreement [Member] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	1,175
2010 Credit Agreement [Member] \| Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 260
Amended 2010 Credit Agreement [Member]
Debt Instrument [Line Items]
Total-Indebtedness-to-Consolidated-Cash-Flow Ratio requirement, period of measurement, annual	12 months
Total-Indebtedness-to-Consolidated-Cash-Flow Ratio requirement	4.75
Total-Indebtedness-to-Consolidated-Cash-Flow Ratio requirement, period of measurement, quarterly	3 months
Amended 2010 Credit Agreement [Member] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Length of maturity date extension (years)	1 year
Interest rate margin over LIBOR	3.00%
Interest rate LIBOR floor	1.00%

Annual commitment fee on the unused portion of the credit facilities

No definition available.

Name:	fun_CommitmentFeeOnUnusedPortionOfCreditFacilities
Namespace Prefix:	fun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument Consolidated Leverage Ratio

+ References

No definition available.

+ Details

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Namespace Prefix:	fun_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument Consolidated Leverage Ratio Requirement

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentConsolidatedLeverageRatioRequirement
Namespace Prefix:	fun_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument Early Call Date Percentage Of Notes Availabe For Redemption

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentEarlyCallDatePercentageOfNotesAvailabeForRedemption
Namespace Prefix:	fun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument Early Call Date Premium Price Percentage

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentEarlyCallDatePremiumPricePercentage
Namespace Prefix:	fun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument EBITDA Cushion On Consolidated Leverage Ratio

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentEbitdaCushionOnConsolidatedLeverageRatio
Namespace Prefix:	fun_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt Instrument Interest Rate Libor Floor

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentInterestRateLiborFloor
Namespace Prefix:	fun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument Interest Rate Margin Over Libor At Period End

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentInterestRateMarginOverLiborAtPeriodEnd
Namespace Prefix:	fun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument Period Of Maturity Extension

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentPeriodOfMaturityExtension
Namespace Prefix:	fun_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument Redemption Percentage Of Original Face Amount

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentRedemptionPercentageOfOriginalFaceAmount
Namespace Prefix:	fun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument Restricted Payment

+ References

No definition available.

+ Details

Name:	fun_DebtInstrumentRestrictedPayment
Namespace Prefix:	fun_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line Of Credit Facility Interest Rate Margin Over Libor At Period End

+ References

No definition available.

+ Details

Name:	fun_LineOfCreditFacilityInterestRateMarginOverLiborAtPeriodEnd
Namespace Prefix:	fun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Pro Forma Consolidated Leverage Ratio For Additional Restricted Payments

+ References

No definition available.

+ Details

Name:	fun_ProFormaConsolidatedLeverageRatioForAdditionalRestrictedPayments
Namespace Prefix:	fun_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Total Indebtedness To Consolidated Cash Flow Ratio Requirement

+ References

No definition available.

+ Details

Name:	fun_TotalIndebtednessToConsolidatedCashFlowRatioRequirement
Namespace Prefix:	fun_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Total Indebtedness To Consolidated Cash Flow Ratio Requirement Period Of Measurement Annual

+ References

No definition available.

+ Details

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Namespace Prefix:	fun_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Total Indebtedness To Consolidated Cash Flow Ratio Requirement Period Of Measurement Quarterly

+ References

No definition available.

+ Details

Name:	fun_TotalIndebtednessToConsolidatedCashFlowRatioRequirementPeriodOfMeasurementQuarterly
Namespace Prefix:	fun_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: 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)(1))

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

+ Details

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

- Definition

Interest rate stated in the contractual debt agreement.

+ 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)(1))

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

+ Details

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- Details

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

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ 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 210.5-02.22)

-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 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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

- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 31

-Subparagraph b

-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 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-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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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

- 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.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant