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Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 29, 2012 | Dec. 31, 2011 | Jan. 01, 2011
Net sales | $ 2,937.9 | $ 2,854.2 | $ 2,619.2
Cost of goods sold | (1,547.9) | (1,516.3) | (1,408.1)
Gross profit | 1,390.0 | 1,337.9 | 1,211.1
Operating expenses | (980.3) | (953.7) | (894.1)
Operating earnings before financial services | 409.7 | 384.2 | 317.0
Financial services revenue | 161.3 | 124.3 | 62.3
Financial services expenses | (54.6) | (51.4) | (47.9)
Operating earnings from financial services before arbitration settlement | 106.7 | 72.9 | 14.4
Arbitration settlement |  | 18.0 |
Operating earnings from financial services | 106.7 | 90.9 | 14.4
Operating earnings | 516.4 | 475.1 | 331.4
Interest expense | (55.8) | (61.2) | (54.8)
Other income (expense) - net | (0.4) | (1.0) | 0.8
Earnings before income taxes and equity earnings | 460.2 | 412.9 | 277.4
Income tax expense | (148.2) | (133.7) | (87.6)
Earnings before equity earnings | 312.0 | 279.2 | 189.8
Equity earnings, net of tax | 2.6 | 4.6 | 3.2
Net earnings | 314.6 | 283.8 | 193.0
Net earnings attributable to noncontrolling interests | (8.5) | (7.5) | (6.5)
Net earnings attributable to Snap-on Incorporated | $ 306.1 | $ 276.3 | $ 186.5
Net earnings per share attributable to Snap-on Incorporated: |  |  |
Basic | $ 5.26 | $ 4.75 | $ 3.22
Diluted | $ 5.20 | $ 4.71 | $ 3.19
Weighted-average shares outstanding: |  |  |
Basic | 58.2 | 58.2 | 58.0
Effect of dilutive options | 0.7 | 0.5 | 0.4
Diluted | 58.9 | 58.7 | 58.4

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