Fair Value Measurements and Derivative Instruments (Details 7) In Thousands, unless otherwise specified	Jun. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2012 Foreign currency debt USD ($)	Dec. 31, 2011 Foreign currency debt USD ($)	Jun. 30, 2012 Foreign currency debt Pullmantur and TUI Cruises USD ($)	Jun. 30, 2012 Foreign currency debt Pullmantur and TUI Cruises EUR (€)	Dec. 31, 2011 Foreign currency debt Pullmantur and TUI Cruises USD ($)	Dec. 31, 2011 Foreign currency debt Pullmantur and TUI Cruises EUR (€)
Net investment hedge
Carrying Value of Non-derivative instrument Designated as hedging instrument	$ 795,120	$ 863,217	$ 795,120	$ 863,217	$ 795,100	€ 626,500	$ 863,200	€ 665,000

Aggregate notional amount of all nonderivative instruments that are designated as hedging instruments in a hedge of the net investment of foreign operations. For example, foreign currency denominated intercompany loans.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

Name:	us-gaap_NotionalAmountOfNonderivativeInstrumentsDesignatedAsNetInvestmentHedges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant