Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Reconciliation Between Basic and Diluted Earnings Per Share

A reconciliation between basic and diluted earnings per share is as follows (in thousands, except per share data):

	Year Ended December 31,
	2018		2017		2016
Net Income attributable to Royal Caribbean Cruises Ltd. for basic and diluted earnings per share	$	1,811,042	$	1,625,133	$	1,283,388
Weighted-average common shares outstanding	210,570		214,617		215,393
Dilutive effect of stock-based awards	984		1,077		923
Diluted weighted-average shares outstanding	211,554		215,694		216,316
Basic earnings per share	$	8.60	$	7.57	$	5.96
Diluted earnings per share	$	8.56	$	7.53	$	5.93