General form of registration statement for all companies including face-amount certificate companies

Amounts Related to Shipboard Retirement Plan (Detail)

v2.4.0.8
Amounts Related to Shipboard Retirement Plan (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Pension expense:      
Service cost $ 1,367 $ 1,072 $ 980
Interest cost 604 531 481
Amortization of prior service cost 378 378 378
Amortization of actuarial loss (gain) 13   (29)
Total pension expense 2,362 1,981 1,810
Change in projected benefit obligation:      
Projected benefit obligation at beginning of year 13,329 9,478 8,017
Service cost 1,367 1,072 980
Interest cost 604 531 481
Actuarial loss 1,721 2,993  
Direct benefit payments (800) (745)  
Projected benefit obligation at end of year 16,221 13,329 9,478
Amounts recognized in the consolidated balance sheets:      
Projected benefit obligation 16,221 13,329 9,478
Amounts recognized in accumulated other comprehensive income (loss):      
Prior service cost (6,427) (6,805) (7,183)
Accumulated actuarial gain (loss) (3,320) (1,612) 1,381
Accumulated other comprehensive income (loss) $ (9,747) $ (8,417) $ (5,802)