| Revenue Qtrly | 03/31/2013 | $221.98M |
| Revenue Qtrly | Year Ago | $250.44M |
| Revenue | 1 Yr. Chg. | -11.36% |
| Revenue 12 mo. trailing | Latest | $939.72M |
| Revenue 12 mo. trailing | 3 Yrs. Ago | $526.12M |
| Revenue 12 mo. trailing | 3 Yr. Chg. | 78.61% |
| Revenue Annual | N/A | N/A |
| Revenue 5 Yr. Gr. Rate | N/A | |
| Net Income Qtrly | 03/31/2013 | $26.97M |
| Net Income Qtrly | Year Ago | $33.04M |
| Net Income | 1 Yr. Chg. | -18.38% |
| Net Income 12 mo. trailing | Latest | $121.89M |
| Net Income 12 mo. trailing | 3 Yrs. Ago | $73.04M |
| Net Income 12 mo. trailing | 3 Yr. Chg. | 66.88% |
| Net Income Annual | N/A | N/A |
| Net Income 5 Yr Growth Rate | N/A | |
| Cash Flow Qtrly | 03/31/2013 | $15.62M |
| Cash Flow Qtrly | Year Ago | $40.35M |
| Cash Flow | 1 Yr. Chg. | -61.30% |
| Cash Flow 12 mo. tr. | Latest | $118.45M |
| Cash Flow 12 mo. tr. | 3 Yrs. Ago | $153.98M |
| Cash Flow 12 mo. tr. | 3 Yr. Chg. | -23.07% |
| Free Cash Flow Qtrly | 03/31/2013 | $12.62M |
| Free Cash Flow 12 mo. tr. | Latest | $97.4M |
| Cash on Hand | 03/31/2013 | $428.46M |
| Total Debt | N/A | |
| Long Term Debt | N/A | |
| Total Assets | $763.1M | |
| Intangible Assets | N/A | |
| Book Value | $522.12M | |
| Tangible Book Value | $522.12M | |
| Stockholders' Equity | $522.12M | |
| Enterprise Value | $247.36M | |
| P/E Ratio 12 mo. trailing | 5.92 | |
| Optimum P/E Ratio | 52.23 | |
| Forward P/E Ratio | 16.86 | |
| S&P 500 Forward P/E Ratio | 15.20 | |
| Price to Book Ratio | 1.32 | |
| Price to (tangible) Book Ratio | 1.32 | |
| Price-to-Cash Flow Ratio | 5.83 | |
| Price-to-Sales Ratio | 0.72 | |
| Price-to-Sales Ratio Industry Avg. | 2.00 | |
| Earnings Yield | N/A |
| Return on Equity 12 mo. trailing | 23.34% | |
| Return on Equity 12 mo. tr. 1 Yr. Ago | 38.53% | |
| Total Invested Capital | $522.12M | |
| Return on Invested Capital 12 mo. tr. | 39.18 | |
| Wght. Cost of Equity | 9.11% | |
| Wght. Cost of Debt | N/A | |
| Economic Value Added | 30.07 | |
| Total Debt as % of Total Capital | N/A |
| Long Term Debt as % of Total Capital | N/A |
| Long Term Debt as % of Total Debt | N/A |
| Total Debt / Cash Flow 12 mo. trailing | N/A |
| Interest Expense as % of Cash Flow Qtrly | N/A |
| Cash on Hand 1 Yr. Chg. | 31.14% |
| Gross Margin Last Qtr. | 54.21% |
| EBITDA Margin Last Qtr. | 22.10% |
| Operating Margin Last Qtr. | 19.56% |
| Operating Margin Industry avg. | 12.64% |
| Operating Margin 12 mo. trailing | 21.77% |
| Net Profit Margin Last Qtr. | 12.15% |