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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Revenues: |  |
New vehicles | $ 1,171,932,000 | $ 1,164,570,000
Used vehicles | 634,474,000 | 598,355,000
Wholesale vehicles | 46,310,000 | 44,374,000
Total vehicles | 1,852,716,000 | 1,807,299,000
Parts, service and collision repair | 352,043,000 | 346,054,000
Finance, insurance and other, net | 83,063,000 | 81,273,000
Total revenues | 2,287,822,000 | 2,234,626,000
Cost of Sales: |  |
New vehicles | (1,113,654,000) | (1,106,146,000)
Used vehicles | (593,641,000) | (557,824,000)
Wholesale vehicles | (47,482,000) | (45,452,000)
Total vehicles | (1,754,777,000) | (1,709,422,000)
Parts, service and collision repair | (182,699,000) | (180,054,000)
Total cost of sales | (1,937,476,000) | (1,889,476,000)
Gross profit | 350,346,000 | 345,150,000
Selling, general and administrative expenses | (292,234,000) | (284,375,000)
Impairment charges | (510,000) | 0
Depreciation and amortization | (21,153,000) | (18,470,000)
Operating income (loss) | 36,449,000 | 42,305,000
Other income (expense): |  |
Interest expense, floor plan | (8,387,000) | (6,436,000)
Interest expense, other, net | (13,409,000) | (12,339,000)
Other income (expense), net | (14,501,000) | 104,000
Total other income (expense) | (36,297,000) | (18,671,000)
Income (loss) from continuing operations before taxes | 152,000 | 23,634,000
Provision for income taxes for continuing operations - benefit (expense) | (172,000) | (9,170,000)
Income (loss) from continuing operations | (20,000) | 14,464,000
Discontinued operations: |  |
Income (loss) from discontinued operations before taxes | (868,000) | 261,000
Provision for income taxes for discontinued operations - benefit (expense) | 347,000 | (101,000)
Income (loss) from discontinued operations | (521,000) | 160,000
Net income (loss) | $ (541,000) | $ 14,624,000
Basic earnings (loss) per common share: |  |
Earnings (loss) per share from continuing operations |  | $ 0.31
Earnings (loss) per share from discontinued operations | $ (0.01) |
Earnings (loss) per common share | $ (0.01) | $ 0.31
Weighted average common shares outstanding | 44,791 | 46,950
Diluted earnings (loss) per common share: |  |
Earnings (loss) per share from continuing operations |  | $ 0.31
Earnings (loss) per share from discontinued operations | $ (0.01) |
Earnings (loss) per common share | $ (0.01) | $ 0.31
Weighted average common shares outstanding | 44,791 | 47,122
Dividends declared per common share | $ 0.05 | $ 0.05

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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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