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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Total revenues | $ 2,337,605 | $ 2,195,274 | $ 4,365,361 | $ 4,203,834
Cruise operating expenses: |  |  |  |
Total cruise operating expenses | 1,314,411 | 1,256,785 | 2,490,430 | 2,432,609
Marketing, selling and administrative expenses | 312,923 | 283,855 | 650,284 | 601,320
Depreciation and amortization expenses | 253,376 | 234,937 | 493,606 | 470,686
Operating Income | 456,895 | 419,697 | 731,041 | 699,219
Other income (expense): |  |  |  |
Interest income | 13,098 | 5,811 | 20,831 | 12,063
Interest expense, net of interest capitalized | (81,864) | (76,632) | (149,742) | (156,949)
Equity investment income | 44,311 | 23,359 | 73,063 | 35,239
Other income (expense) | 33,855 | (2,709) | 9,755 | (5,320)
Total other income (expense) | 9,400 | (50,171) | (46,093) | (114,967)
Net Income | $ 466,295 | $ 369,526 | $ 684,948 | $ 584,252
Earnings per Share: |  |  |  |
Basic (in dollars per share) | $ 2.20 | $ 1.72 | $ 3.23 | $ 2.72
Diluted (in dollars per share) | $ 2.19 | $ 1.71 | $ 3.21 | $ 2.71
Weighted-Average Shares Outstanding: |  |  |  |
Basic (in shares) | 211,673 | 215,085 | 212,139 | 214,978
Diluted (in shares) | 212,509 | 216,062 | 213,079 | 215,944
Comprehensive Income |  |  |  |
Net Income | $ 466,295 | $ 369,526 | $ 684,948 | $ 584,252
Other comprehensive income (loss): |  |  |  |
Foreign currency translation adjustments | (11,521) | 5,979 | (10,361) | 8,321
Change in defined benefit plans | (1,964) | (3,649) | 5,796 | (4,290)
(Loss) gain on cash flow derivative hedges | (68,900) | 128,954 | 73,630 | 151,415
Total other comprehensive (loss) income | (82,385) | 131,284 | 69,065 | 155,446
Comprehensive Income | 383,910 | 500,810 | 754,013 | 739,698
Passenger ticket revenues |  |  |  |
Total revenues | 1,672,570 | 1,581,385 | 3,098,214 | 2,999,608
Onboard and other revenues |  |  |  |
Total revenues | 665,035 | 613,889 | 1,267,147 | 1,204,226
Cruise operating expenses: |  |  |  |
Total cruise operating expenses | 142,240 | 132,437 | 241,777 | 238,431
Commissions, transportation and other |  |  |  |
Cruise operating expenses: |  |  |  |
Total cruise operating expenses | 358,305 | 340,331 | 648,914 | 650,579
Payroll and related |  |  |  |
Cruise operating expenses: |  |  |  |
Total cruise operating expenses | 226,315 | 210,362 | 453,471 | 426,097
Food |  |  |  |
Cruise operating expenses: |  |  |  |
Total cruise operating expenses | 128,383 | 121,764 | 248,025 | 242,975
Fuel |  |  |  |
Cruise operating expenses: |  |  |  |
Total cruise operating expenses | 172,309 | 170,748 | 332,650 | 348,162
Other operating |  |  |  |
Cruise operating expenses: |  |  |  |
Total cruise operating expenses | $ 286,859 | $ 281,143 | $ 565,593 | $ 526,365

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