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CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues: |  |  |
New vehicles | $ 5,234,505 | $ 5,265,401 | $ 5,124,029
Used vehicles | 2,533,122 | 2,512,024 | 2,310,247
Wholesale vehicles | 211,048 | 155,339 | 166,158
Total vehicles | 7,978,675 | 7,932,764 | 7,600,434
Parts, service and collision repair | 1,409,819 | 1,364,947 | 1,296,570
Finance, insurance and other, net | 343,285 | 326,588 | 300,095
Total revenues | 9,731,779 | 9,624,299 | 9,197,099
Cost of Sales: |  |  |
New vehicles | (4,973,911) | (4,997,472) | (4,835,403)
Used vehicles | (2,374,537) | (2,349,982) | (2,153,001)
Wholesale vehicles | (218,364) | (162,707) | (169,774)
Total vehicles | (7,566,812) | (7,510,161) | (7,158,178)
Parts, service and collision repair | (735,693) | (699,526) | (673,021)
Total cost of sales | (8,302,505) | (8,209,687) | (7,831,199)
Gross profit | 1,429,274 | 1,414,612 | 1,365,900
Selling, general and administrative expenses | (1,110,856) | (1,110,565) | (1,067,433)
Impairment charges | (8,063) | (17,955) | (6,594)
Depreciation and amortization | (77,446) | (68,799) | (58,260)
Operating income (loss) | 232,909 | 217,293 | 233,613
Other income (expense): |  |  |
Interest expense, floor plan | (27,716) | (21,326) | (18,793)
Interest expense, other, net | (50,106) | (50,910) | (53,190)
Other income (expense), net | 125 | 99 | 97
Total other income (expense) | (77,697) | (72,137) | (71,886)
Income (loss) from continuing operations before taxes | 155,212 | 145,156 | 161,727
Provision for income taxes for continuing operations - benefit (expense) | (60,696) | (57,065) | (63,168)
Income (loss) from continuing operations | 94,516 | 88,091 | 98,559
Discontinued operations: |  |  |
Income (loss) from discontinued operations before taxes | (2,121) | (2,883) | (2,164)
Provision for income taxes for discontinued operations - benefit (expense) | 798 | 1,103 | 822
Income (loss) from discontinued operations | (1,323) | (1,780) | (1,342)
Net income (loss) | $ 93,193 | $ 86,311 | $ 97,217
Basic earnings (loss) per common share: |  |  |
Earnings (loss) per share from continuing operations | $ 2.07 | $ 1.74 | $ 1.89
Earnings (loss) per share from discontinued operations | (0.03) | (0.03) | (0.03)
Earnings (loss) per common share | $ 2.04 | $ 1.71 | $ 1.86
Weighted average common shares outstanding | 45,637 | 50,489 | 52,065
Diluted earnings (loss) per common share: |  |  |
Earnings (loss) per share from continuing operations | $ 2.06 | $ 1.73 | $ 1.87
Earnings (loss) per share from discontinued operations | (0.03) | (0.03) | (0.03)
Earnings (loss) per common share | $ 2.03 | $ 1.70 | $ 1.84
Weighted average common shares outstanding | 45,948 | 50,883 | 52,563
Dividends declared per common share | $ 0.20 | $ 0.11 | $ 0.10

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
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