| | 2008 | 2007 | 2006 | 2005 | 2004 | | Period End Date | 12/31/2008 | 12/31/2007 | 12/31/2006 | 12/31/2005 | 12/31/2004 | | Period Length | 12 Months | 12 Months | 12 Months | 12 Months | 12 Months | | Stmt Source | 10-K | 10-K | 10-K | 10-K | 10-K | | Stmt Source Date | 02/18/2009 | 02/18/2009 | 02/18/2009 | 02/20/2008 | 02/27/2007 | | Stmt Update Type | Updated | Restated | Restated | Restated | Restated | | | | | | | | | Revenue | 180,929.0 | 169,469.0 | 149,414.0 | 134,907.0 | 133,227.0 | | Other Revenue, Total | 1,586.0 | 3,019.0 | 2,154.0 | 1,673.0 | 1,064.0 | | Total Revenue | 182,515.0 | 172,488.0 | 151,568.0 | 136,580.0 | 134,291.0 | | | | | | | | | Cost of Revenue, Total | 109,981.0 | 96,887.0 | 85,652.0 | 74,595.0 | 73,375.0 | | Gross Profit | 70,948.0 | 72,582.0 | 63,762.0 | 60,312.0 | 59,852.0 | | | | | | | | | Selling/General/Administrative Expenses, Total | 10,731.0 | 7,900.0 | 6,275.0 | 6,613.0 | 6,974.0 | | Research & Development | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Depreciation/Amortization | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Interest Expense (Income), Net Operating | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Unusual Expense (Income) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Other Operating Expenses, Total | 42,021.0 | 40,173.0 | 35,491.0 | 33,278.0 | 32,917.0 | | Operating Income | 19,141.0 | 26,612.0 | 23,288.0 | 21,178.0 | 20,297.0 | | | | | | | | | Interest Income (Expense), Net Non-Operating | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Gain (Loss) on Sale of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Other, Net | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Income Before Tax | 19,141.0 | 26,612.0 | 23,288.0 | 21,178.0 | 20,297.0 | | | | | | | | | Income Tax - Total | 1,052.0 | 4,155.0 | 3,944.0 | 3,824.0 | 3,696.0 | | Income After Tax | 18,089.0 | 22,457.0 | 19,344.0 | 17,354.0 | 16,601.0 | | | | | | | | | Minority Interest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Equity In Affiliates | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | U.S. GAAP Adjustment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Net Income Before Extra. Items | 18,089.0 | 22,457.0 | 19,344.0 | 17,354.0 | 16,601.0 | | | | | | | |  Total Extraordinary Items | -679.0 | -249.0 | 1,398.0 | -634.0 | 559.0 | | Discontinued Operations | -679.0 | -249.0 | 1,398.0 | -634.0 | 559.0 |
| | Net Income | 17,410.0 | 22,208.0 | 20,742.0 | 16,720.0 | 17,160.0 | | | | | | | | | | | | | | | Total Adjustments to Net Income | -75.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Preferred Dividends | -75.0 | 0.0 | 0.0 | 0.0 | 0.0 | | General Partners' Distributions | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| | | | | | | | | Basic Weighted Average Shares | 10,080.0 | 10,182.0 | 10,359.0 | 10,570.0 | 10,400.0 | | Basic EPS Excluding Extraordinary Items | 1.79 | 2.21 | 1.87 | 1.64 | 1.6 | | Basic EPS Including Extraordinary Items | 1.72 | 2.18 | 2.0 | 1.58 | 1.65 | | | | | | | | | Diluted Weighted Average Shares | 10,098.0 | 10,218.0 | 10,394.0 | 10,611.0 | 10,445.0 | | Diluted EPS Excluding Extrordinary Items | 1.78 | 2.2 | 1.86 | 1.64 | 1.59 | | Diluted EPS Including Extraordinary Items | 1.72 | 2.17 | 2.0 | 1.58 | 1.64 | | | | | | | | | Dividends per Share - Common Stock Primary Issue | 1.24 | 1.15 | 1.03 | 0.91 | 0.82 | | Gross Dividends - Common Stock | 12,649.0 | 11,713.0 | 10,675.0 | 9,647.0 | 8,594.0 | | Interest Expense, Supplemental | 26,209.0 | 23,762.0 | 18,879.0 | 14,811.0 | 11,656.0 | | Depreciation, Supplemental | 9,401.0 | 8,204.0 | 8,457.0 | 6,428.0 | 6,973.0 | | | | | | | | | Normalized EBITDA | 31,274.0 | 37,803.0 | 32,607.0 | 29,935.0 | 29,373.0 | | Normalized EBIT | 19,782.0 | 27,528.0 | 24,150.0 | 22,094.0 | 21,025.0 | | Normalized Income Before Tax | 19,141.0 | 26,612.0 | 23,288.0 | 21,178.0 | 20,297.0 | | Normalized Income After Taxes | 18,089.0 | 22,457.0 | 19,344.0 | 17,354.0 | 16,601.0 | | Normalized Income Available to Common | 18,014.0 | 22,457.0 | 19,344.0 | 17,354.0 | 16,601.0 | | | | | | | | | Basic Normalized EPS | 1.79 | 2.21 | 1.87 | 1.64 | 1.6 | | Diluted Normalized EPS | 1.78 | 2.2 | 1.86 | 1.64 | 1.59 | | Amortization of Intangibles | 2,091.0 | 2,071.0 | 0.0 | 1,413.0 | 1,375.0 |
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