The New York-listed cruise giant, which released a more detailed picture of its fiscal second-quarter earnings today, reported that operating income in its North American lines came in at $73m, a 49.3% drop on the $144m from a year earlier.

However, its Europe, Australian and Asian brands booked $130m, well above the $51m earned in the fiscal second quarter of 2013, according to today's report with the US Securities and Exchange Commission (SEC).

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