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

Amount the Consolidated Leverage ratio will decrease until 5.25x

+ References

No definition available.

+ Details

Name:	fun_ConsolidatedLeverageRatioDecrease
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 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 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

Name:	fun_TotalIndebtednessToConsolidatedCashFlowRatioRequirementPeriodOfMeasurementAnnual
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

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: 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=34725769&loc=d3e28878-108400

Reference 2: 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

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
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 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

Reference 2: 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

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ 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 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

Name:	us-gaap_DebtInstrumentPeriodicPayment
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 Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=fun_NotesPayableDue2024Domain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=fun_NotesPayableDue2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=fun_NotesPayableDue2021MemberDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=fun_CreditAgreement2013MemberDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=fun_LineOfCreditFacilityCanadianMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=fun_CanadianRevolvingCreditFacilityCadAndUsdDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=fun_SeniorSecuredTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=fun_SeniorSecuredRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=fun_NotesPayableDue2018OriginalIssueDiscountMember
Namespace Prefix:
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Period Type:

Long-Term Debt (Details) $ in Millions	3 Months Ended	6 Months Ended
Long-Term Debt (Details) $ in Millions	Jun. 28, 2015 USD ($)	Jun. 28, 2015 USD ($)	Jun. 03, 2014 USD ($)	Mar. 31, 2013 USD ($)	Jul. 30, 2010 USD ($)
Debt Instrument [Line Items]
Debt Instrument Consolidated Leverage Ratio Requirement		5.25
Commitment fee on unused portion of credit facilities	0.38%	0.38%
Notes Payable Due 2024 [Domain] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 450.0
Debt Instrument, Interest Rate, Stated Percentage			5.375%
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		105.375%
Notes Payable, Due 2018 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Restricted payment		$ 60.0
Notes Payable, Due 2018 [Member] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 405.0
Debt Instrument, Interest Rate, Stated Percentage					9.125%
Notes Payable Due 2021 [Member] [Domain] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 500.0
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				$ 885.0
Consolidated Leverage Ratio Decrease		0.25
Pro-forma consolidated leverage ratio		5.00
Total-Indebtedness-to-Consolidated-Cash-Flow Ratio requirement, period of measurement, annual		12 months
Total-Indebtedness-to-Consolidated-Cash-Flow Ratio requirement		5.00
Total-Indebtedness-to-Consolidated-Cash-Flow Ratio requirement, period of measurement, quarterly		3 months
Credit Agreement 2013 [Member] [Domain] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument Consolidated Leverage Ratio Requirement		5.75
Restricted payment		$ 60.0
Credit Agreement 2013 [Member] [Domain] \| Canadian Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 15.0	$ 15.0
Credit Agreement 2013 [Member] [Domain] \| Canadian Revolving Credit Facility Cad and USD [Domain]
Debt Instrument [Line Items]
Interest rate margin over LIBOR	2.25%	2.25%
Credit Agreement 2013 [Member] [Domain] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				630.0
Debt Instrument, Periodic Payment		$ 6.3
Interest rate margin over LIBOR	2.50%	2.50%
Interest rate LIBOR floor	0.75%	0.75%
Credit Agreement 2013 [Member] [Domain] \| Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 255.0
Original Issue Discount [Member] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Unamortized discount					$ 5.6
Effective interest rate percentage					9.375%