Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail)
1 Months Ended
Oct. 31, 2012
USD ($)
Vessel
T
Seat
Oct. 31, 2012
EUR (€)
Vessel
T
Seat
Sep. 30, 2012
USD ($)
Feb. 28, 2011
LegalMatter
Sep. 30, 2010
USD ($)
T
Vessel
Seat
Sep. 30, 2010
EUR (€)
Commitments and Contingencies Disclosure [Line Items]            
Cruising ships to be built 1 1     2 2
Capacity of ship, tons 163,000 163,000     144,000 144,000
Capacity of ship, berths 4,200 4,200     4,000 4,000
Aggregate contract price of new ships         $ 802,200,000 € 625,800,000
Aggregate contract price of new ships 895,300,000 698,400,000        
Export credit facility financing as percentage of contract price 80.00% 80.00%        
Number of individual plaintiff's claims       6    
Awarded wages to plaintiffs     $ 100,000