text: **ITEM 6. SELECTED FINANCIAL DATA (in millions, except per share data)**
  
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              [html]<thead><tr><tdrowspan="2"></td><tdcolspan="5">Years Ended December 31,</td></tr><tr><td>2004</td><td>2003</td><td>2002</td><td>2001</td><td>2000</td></tr></thead><tbody><tr><td>Statement of Income Data :</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Revenue</td><td>$ 2.708.1</td><td>$ 2.517.8</td><td>$ 2.365.1</td><td>$ 2.257.5</td><td>$ 2.103.3</td></tr><tr><td>Expenses :</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cost of operations</td><td>1.714.4</td><td>1.605.4</td><td>1.472.9</td><td>1.422.5</td><td>1.271.3</td></tr><tr><td>Depreciation, amortization and depletion</td><td>259.4</td><td>239.1</td><td>199.6</td><td>215.4</td><td>197.4</td></tr><tr><td>Accretion</td><td>13.7</td><td>12.7</td><td>—</td><td>—</td><td>—</td></tr><tr><td>Selling, general and administrative</td><td>268.3</td><td>247.9</td><td>238.7</td><td>236.5</td><td>193.9</td></tr><tr><td>Other charges ( income )</td><td>—</td><td>—</td><td>( 5.6 )</td><td>99.6</td><td>6.7</td></tr><tr><td>Operating income</td><td>452.3</td><td>412.7</td><td>459.5</td><td>283.5</td><td>434.0</td></tr><tr><td>Interest expense</td><td>( 76.7 )</td><td>( 78.0 )</td><td>( 77.0 )</td><td>( 80.1</td><td>( 81.6 )</td></tr><tr><td>Interest income</td><td>6.9</td><td>9.5</td><td>4.3</td><td>4.4</td><td>1.7</td></tr><tr><td>Other income ( expense ), net</td><td>1.2</td><td>3.2</td><td>(. 3 )</td><td>1.5</td><td>2.3</td></tr><tr><td>Income before income taxes.</td><td>383.7</td><td>347.4</td><td>386.5</td><td>209.3</td><td>356.4</td></tr><tr><td>Provision for income taxes</td><td>145.8</td><td>132.0</td><td>146.9</td><td>83.8</td><td>135.4</td></tr><tr><td>Income before cumulative effect of changes in accounting principles</td><td>237.9</td><td>215.4</td><td>239.6</td><td>125.5</td><td>221.0</td></tr><tr><td>Cumulative effect of changes in accounting principles</td><td>−</td><td>( 37.8 )</td><td>—</td><td>−</td><td>—</td></tr><tr><td>Net income.</td><td>$ _237.9</td><td>$ _177.6</td><td>$ _239.6</td><td>$ _125.5</td><td>$ _221.0</td></tr><tr><td>Basic earnings per share :</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Before cumulative effect of changes in accounting principles</td><td>$ 1.56</td><td>$ 1.34</td><td>$ 1.45</td><td>3.5</td><td>$ 1.26</td></tr><tr><td>Cumulative effect of changes in accounting principles</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>—</td><td>(. 23 )</td><td>—</td><td>—</td><td>—</td><td>Basic earnings per share</td></tr><tr><td>$ __1.56</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>$ __1.11</td><td>$ __1.45</td><td>$ _____74</td><td>$ __1.26</td><td>Weighted average common shares outstanding</td><td>152.8</td></tr><tr><td>__160.3</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>_165.4</td><td>__170.1</td><td>__175.0</td><td>Diluted earnings per share :</td><td>Before cumulative effect of changes in accounting principles</td><td>$ 1.53</td></tr><tr><td>$ 1.33</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>$ 1.44</td><td>3.5</td><td>$</td><td>1.26</td><td>Cumulative effect of changes in accounting pnnciples...</td><td>—</td></tr><tr><td>(. 23 )</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>________________________________________________________________________________________________________________________________________________________________________________________________________</td><td>—</td><td>—</td><td>Diluted earnings per share</td><td>$ 1.53</td><td>$ 1.10</td></tr><tr><td>$ 1.44</td><td>− 0.73</td><td>$ 1.26</td><td>Weighted average common and common equivalent shares outstanding</td><td>155.3</td><td>162.1</td></tr><tr><td>166.7</td><td>__171.1</td><td>__175.0</td><td>Cash dividends per common share</td><td>$ __. 36</td><td>$ __. 12</td></tr><tr><td>$ __ −</td><td>$ __ −</td><td>$ __ −</td><td>—</td><td>Sensor</td><td>Sensor</td></tr><tr><td>Sensor</td><td>Years Ended December 31,</td><td>2004</td><td>2003</td><td>2002</td><td>2001</td></tr><tr><td>2000</td><tdcolspan="5">Other Operating Data :</td></tr><tr><td></td><td>Cash flows from operating activities</td><td>$ 666.3</td><td>$ 600.5</td><td>$ 569.7</td><td>$ 459.</td></tr><tr><td>461.8</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital expenditures ( a )</td><td>283.8</td><td>273.2</td><td>258.6</td><td>249.3</td><td>208.0</td></tr><tr><td>Proceeds from the sale of property and equipment</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>5.7</td><td>9.1</td><td>14.6</td><td>8.7</td><td>12.6</td><td>As of December 31,</td></tr><tr><td>2004</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2003</td><td>2002</td><td>2001</td><td>2000</td><td>Balance Sheet Data :</td><td>Cash and cash equivalents</td></tr><tr><td>$ 141.5</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>$</td><td>119.2</td><td>$ 141.5</td><td>$ 16.8</td><td>$</td><td>2.0</td></tr><tr><td>Restricted cash and marketable securities</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>275.7</td><td>397.4</td><td>175.0</td><td>142.3</td><td>84.3</td><td>Total assets</td></tr><tr><td>4.464.6</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>4.554.1</td><td>4.209.1</td><td>3.856.3</td><td>3.561.5</td><td>Total debt</td><td>1.354.3</td></tr><tr><td>1.520.3</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>1.442.1</td><td>1.367.7</td><td>1.256.7</td><td>Total stockholders ' equity</td><td>1.872.5</td><td>1.904.5</td></tr><tr><td>1.881.1</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>1.755.9</td><td>1.674.9</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr></tr><tr></tr><tr></tr><tr></tr></tbody>
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