| In millions, except per share items | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Cash flows from operating activities | | | | | | | | |
| Net income | 10.9 | 12.0 | -1.6 | -16.4 | | | | |
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| Adjustments to reconcile net income to net cash from operating activities: | | | | | | | | |
| Depreciation and amortization | 4.8 | 4.2 | 4.7 | 4.1 | | | | |
| Amortization of deferred financing costs and debt discount | 3.5 | 1.7 | 1.3 | | | | | |
| Amortization of de-designated hedge | 0.1 | 0.2 | | | | | | |
| Deferred income taxes | 4.8 | 6.9 | -5.3 | -7.8 | | | | |
| Share-based compensation expense | 1.3 | 1.0 | 1.2 | 1.3 | | | | |
| Non-cash revenue | 0.0 | 0.0 | 0.0 | -1.5 | | | | |
| (Gain) loss on disposal of equipment and other assets | -0.2 | 0.0 | 0.2 | | | | | |
| Changes in assets and liabilities: | | | | | | | | |
| Decrease (increase) in other assets | -2.3 | -2.5 | 0.2 | 2.0 | | | | |
| Decrease in accounts payable and other accrued liabilities | 2.5 | -3.0 | 7.6 | -0.4 | | | | |
| Increase in net income taxes payable | -1.8 | 3.9 | 2.0 | -1.1 | | | | |
| Net cash provided by operating activities | 15.4 | 19.4 | 7.9 | 31.5 | | | | |
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| Cash flows from investing activities | | | | | | | | |
| Investments in purchased receivables, net of buybacks | -164.1 | -160.5 | -137.5 | -118.3 | | | | |
| Principal collected on purchased receivables | 150.3 | 139.3 | 135.4 | 114.8 | | | | |
| Purchases of property and equipment | -3.1 | -5.8 | -2.3 | -6.0 | | | | |
| Proceeds from sale of property and equipment | 0.4 | 0.1 | 0.0 | 0.0 | | | | |
| Net cash provided by (used in) investing activities | -16.5 | -26.9 | -3.5 | -9.1 | | | | |
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| Cash flows from financing activities | | | | | | | | |
| Repayments of term loan facility | -8.8 | -133.4 | -10.5 | -3.9 | | | | |
| Net (repayments) borrowings on revolving credit facility | 17.2 | 147.9 | 7.7 | -17.6 | | | | |
| Payments of deferred financing costs | 0.0 | -5.5 | -0.8 | | | | | |
| Payments on capital lease obligations | -0.2 | -0.1 | -0.1 | | | | | |
| Purchases of treasury shares | -0.1 | -0.1 | 0.0 | -0.1 | | | | |
| Net cash used in financing activities | 8.1 | 8.8 | -3.7 | -23.5 | | | | |
| Net increase in cash | 7.0 | 1.4 | 0.7 | -1.1 | | | | |
| Cash at beginning of period | 7.0 | 5.6 | 4.9 | 6.0 | | | | |
| Cash at end of period | 14.0 | 7.0 | 5.6 | 4.9 | | | | |
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| Supplemental disclosure of cash flow information | | | | | | | | |
| Cash paid for interest, net of capitalized interest | 17.4 | 9.5 | 10.2 | 9.6 | | | | |
| Net cash (paid) received for income taxes | 0.1 | -2.9 | -5.2 | -0.9 | | | | |
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| Non-cash investing and financing activities: | | | | | | | | |