| | 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 | 03/31/2009 | 03/14/2008 | 03/16/2007 | 03/13/2006 | 03/15/2005 |
| Stmt Update Type | Updated | Updated | Updated | Updated | Updated |
| | | | | | |
| Revenue | 139.96 | 144.02 | 142.95 | 140.79 | 134.64 |
| Total Revenue | 139.96 | 144.02 | 142.95 | 140.79 | 134.64 |
| | | | | | |
| Cost of Revenue, Total | 105.81 | 106.3 | 104.4 | 104.41 | 94.91 |
| Gross Profit | 34.15 | 37.72 | 38.55 | 36.38 | 39.73 |
| | | | | | |
| Selling/General/Administrative Expenses, Total | 9.98 | 9.8 | 8.87 | 8.17 | 8.34 |
| 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) | 115.94 | 0.0 | 0.0 | 1.17 | 0.0 |
| Other Operating Expenses, Total | 0.0 | 0.0 | -0.31 | 0.0 | 0.0 |
| Operating Income | -91.77 | 27.92 | 29.99 | 27.04 | 31.39 |
| | | | | | |
| 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 | -0.08 | -0.27 | 0.5 | -2.67 | -0.03 |
| Income Before Tax | -99.01 | 18.69 | 21.11 | 16.78 | 26.83 |
| | | | | | |
| Income Tax - Total | -32.52 | 7.69 | 8.67 | 6.22 | 10.99 |
| Income After Tax | -66.49 | 11.0 | 12.45 | 10.57 | 15.84 |
| | | | | | |
| 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 | -66.49 | 11.0 | 12.45 | 10.57 | 15.84 |
| | | | | | |
| Total Extraordinary Items | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Net Income | -66.49 | 11.0 | 12.45 | 10.57 | 15.84 |
| | | | | | |
| | | | | | |
Total Adjustments to Net Income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Preferred Dividends | 0.0 | 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 | 4.73 | 5.02 | 5.11 | 5.12 | 5.19 |
| Basic EPS Excluding Extraordinary Items | -14.05 | 2.19 | 2.44 | 2.06 | 3.05 |
| Basic EPS Including Extraordinary Items | -14.05 | 2.19 | 2.44 | 2.06 | 3.05 |
| | | | | | |
| Diluted Weighted Average Shares | 4.73 | 5.03 | 5.11 | 5.17 | 5.29 |
| Diluted EPS Excluding Extrordinary Items | -14.05 | 2.19 | 2.43 | 2.04 | 2.99 |
| Diluted EPS Including Extraordinary Items | -14.05 | 2.19 | 2.43 | 2.04 | 2.99 |
| | | | | | |
| Dividends per Share - Common Stock Primary Issue | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross Dividends - Common Stock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest Expense, Supplemental | 7.17 | 8.95 | 9.38 | 7.59 | 4.52 |
| Depreciation, Supplemental | 8.83 | 7.97 | 7.79 | 7.59 | 6.91 |
| | | | | | |
| Normalized EBITDA | 33.13 | 36.11 | 38.15 | 37.25 | 38.64 |
| Normalized EBIT | 24.17 | 27.92 | 29.99 | 28.21 | 31.39 |
| Normalized Income Before Tax | 16.92 | 18.69 | 21.11 | 17.95 | 26.83 |
| Normalized Income After Taxes | 8.87 | 11.0 | 12.45 | 11.3 | 15.84 |
| Normalized Income Available to Common | 8.87 | 11.0 | 12.45 | 11.3 | 15.84 |
| | | | | | |
| Basic Normalized EPS | 1.87 | 2.19 | 2.44 | 2.21 | 3.05 |
| Diluted Normalized EPS | 1.87 | 2.19 | 2.43 | 2.19 | 2.99 |
| Amortization of Intangibles | 0.13 | 0.22 | 0.37 | 1.45 | 0.34 |