| | 2009 | 2008 | 2007 | 2006 | 2005 |
| Period End Date | 12/31/2009 | 12/31/2008 | 12/31/2007 | 12/31/2006 | 12/31/2005 |
| Period Length | 12 Months | 12 Months | 12 Months | 12 Months | 12 Months |
| Stmt Source | 8-K | 10-K/A | 10-K | 10-K | 10-K |
| Stmt Source Date | 01/28/2010 | 03/09/2009 | 02/29/2008 | 03/01/2007 | 03/01/2007 |
| Stmt Update Type | Updated | Updated | Updated | Updated | Restated |
| | | | | | |
| Revenue | 403.77 | 394.23 | 349.28 | 307.63 | 220.41 |
| Total Revenue | 403.77 | 394.23 | 349.28 | 307.63 | 220.41 |
| | | | | | |
| Cost of Revenue, Total | 63.62 | 57.46 | 42.55 | 36.96 | 24.88 |
| Gross Profit | 340.15 | 336.77 | 306.72 | 270.67 | 195.53 |
| | | | | | |
| Selling/General/Administrative Expenses, Total | 195.18 | 189.64 | 173.34 | 147.62 | 90.86 |
| Research & Development | 54.46 | 51.18 | 39.18 | 32.34 | 20.69 |
| Depreciation/Amortization | 27.0 | 24.37 | 20.29 | 23.12 | 17.56 |
| 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 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Operating Income | 63.5 | 71.57 | 73.91 | 67.6 | 66.42 |
| | | | | | |
| Interest Income (Expense), Net Non-Operating | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gain (Loss) on Sale of Assets | 0.0 | -1.1 | 0.0 | 0.0 | 0.0 |
| Other, Net | 0.29 | -0.02 | 0.0 | 0.0 | 0.0 |
| Income Before Tax | 67.0 | 86.27 | 103.08 | 89.48 | 71.39 |
| | | | | | |
| Income Tax - Total | 13.96 | 22.68 | 32.26 | 28.67 | 14.88 |
| Income After Tax | 53.04 | 63.6 | 70.81 | 60.81 | 56.51 |
| | | | | | |
| 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 | 53.04 | 63.6 | 70.81 | 60.81 | 56.51 |
| | | | | | |
| Total Extraordinary Items | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Net Income | 53.04 | 63.6 | 70.81 | 60.81 | 56.51 |
| | | | | | |
| | | | | | |
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 | 36.98 | 37.02 | 40.44 | 38.59 | 34.54 |
| Basic EPS Excluding Extraordinary Items | 1.43 | 1.72 | 1.75 | 1.58 | 1.64 |
| Basic EPS Including Extraordinary Items | 1.43 | 1.72 | 1.75 | 1.58 | 1.64 |
| | | | | | |
| Diluted Weighted Average Shares | 37.7 | 42.11 | 45.91 | 44.64 | 41.45 |
| Diluted EPS Excluding Extrordinary Items | 1.41 | 1.55 | 1.58 | 1.4 | 1.41 |
| Diluted EPS Including Extraordinary Items | 1.41 | 1.55 | 1.58 | 1.4 | 1.41 |
| | | | | | |
| 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 | 0.0 | 2.5 | 2.4 | 2.5 | 2.5 |
| Depreciation, Supplemental | 19.44 | 15.98 | 12.71 | 10.98 | 8.83 |
| | | | | | |
| Normalized EBITDA | 90.5 | 95.94 | 94.22 | 90.68 | 83.98 |
| Normalized EBIT | 63.5 | 71.57 | 73.91 | 67.6 | 66.42 |
| Normalized Income Before Tax | 67.0 | 87.37 | 103.08 | 89.48 | 71.39 |
| Normalized Income After Taxes | 53.04 | 64.41 | 70.81 | 60.81 | 56.51 |
| Normalized Income Available to Common | 53.04 | 64.41 | 70.81 | 60.81 | 56.51 |
| | | | | | |
| Basic Normalized EPS | 1.43 | 1.74 | 1.75 | 1.58 | 1.64 |
| Diluted Normalized EPS | 1.41 | 1.57 | 1.58 | 1.4 | 1.41 |
| Amortization of Intangibles | 7.56 | 8.39 | 7.6 | 12.1 | 8.73 |