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v3.8.0.1

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Consolidated Statements of Income [Abstract] |  |  |
Revenue | $ 2,279,099 | $ 2,207,797 | $ 2,247,047
Cost of sales | 502,078 | 500,457 | 489,510
Gross profit | 1,777,021 | 1,707,340 | 1,757,537
Operating expenses: |  |  |
Selling expenses | 938,024 | 922,083 | 951,372
General and administrative expenses | 564,514 | 554,153 | 561,463
Total operating expenses | 1,502,538 | 1,476,236 | 1,512,835
Operating income | 274,483 | 231,104 | 244,702
Other income (expense), net (Note 23) | (8,916) | (18,265) | (32,743)
Income before provision for income taxes | 265,567 | 212,839 | 211,959
Provision for income taxes | 136,130 | 69,753 | 78,913
Net income | $ 129,437 | $ 143,086 | $ 133,046
Net income per share: |  |  |
Basic (in dollars per share) | $ 2.45 | $ 2.58 | $ 2.29
Diluted (in dollars per share) | $ 2.36 | $ 2.55 | $ 2.25
Weighted-average common shares outstanding: |  |  |
Basic (in shares) | 52,806 | 55,412 | 57,997
Diluted (in shares) | 54,852 | 56,097 | 59,057

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