Revenues (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Passenger ticket revenues are attributed to geographic areas based on where the reservation originates. For the quarters ended June 30, 2018 and 2017, our guests were sourced from the following areas:

	Quarter Ended June 30,
	2018		2017
Passenger ticket revenues:
United States	63	%	63	%
United Kingdom	10	%	9	%
All other countries (1)	27	%	28	%

For the six months ended June 30, 2018 and 2017, our guests were sourced from the following areas:

	Six Months Ended June 30,
	2018		2017
Passenger ticket revenues:
United States	62	%	62	%
All other countries (1)	38	%	38	%

(1) No other individual country's revenue exceeded 10% for the quarters and six months ended June 30, 2018 and 2017.

The following table disaggregates our total revenues by geographic regions where we provide cruise itineraries (in thousands):

	Quarter Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Revenues by itinerary
North America(1)	$	1,264,167	$	1,246,103	$	2,611,427	$	2,598,272
Asia/Pacific(2)	283,198		300,891		816,177		826,747
Europe(3)	597,399		467,829		597,399		467,829
Other regions	101,631		94,719		178,816		159,951
Total revenues by itinerary	2,246,395		2,109,542		4,203,819		4,052,799
Other revenues(4)	91,210		85,732		161,542		151,035
Total revenues	$	2,337,605	$	2,195,274	$	4,365,361	$	4,203,834

(1) Includes the United States, Canada, Mexico and the Caribbean.

(2) Includes Southeast Asia (e.g., Singapore, Thailand and the Philippines), East Asia (e.g., China and Japan), South Asia (e.g., India and Pakistan) and Oceania (e.g., Australia and Fiji Islands) regions.

(3) Includes European countries (e.g., Nordics, Germany, France, Italy, Spain and the United Kingdom).

(4) Includes revenues primarily related to cancellation fees, vacation protection insurance and pre- and post-cruise tours. Amounts also include revenues related to our bareboat charter, procurement and management related services we perform on behalf of our unconsolidated affiliates.