Income and Partnership Taxes Unrecognized Tax Position (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jul. 01, 2012
Income Tax Contingency [Line Items]
Change in deferred taxes due to enacted foreign statutory rate	$ 1.8
unrecognized tax benefit	$ 1.0

Change in deferred taxes due to reflect the impact of changes to foreign enacted statutory rates.

No definition available.

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