Consolidated Balance Sheets (USD $) In Thousands | Sep. 30, 2011 | Dec. 31, 2010 |
|---|
| Current assets | | |
| Cash and cash equivalents | $ 405,111 | $ 321,284 |
| Restricted cash | 14,971 | 13,790 |
| Accounts receivable, net of allowance for doubtful accounts of $3,215 (2010 — $3,553) | 217,791 | 122,175 |
| Rebates receivable | 32,439 | 34,249 |
| Prepaid expenses and other current assets | 6,676 | 10,173 |
| Inventory | 15,222 | 8,736 |
| Deferred income taxes | 5,583 | 6,647 |
| Total current assets | 697,793 | 517,054 |
| Property and equipment, net of accumulated depreciation of $40,628 (2010 — $35,861) | 17,146 | 20,896 |
| Goodwill | 229,193 | 220,597 |
| Other intangible assets, net of accumulated amortization of $42,812 (2010 — $31,687) | 49,657 | 56,282 |
| Other assets | 3,309 | 1,961 |
| Total assets | 997,098 | 816,790 |
| Current liabilities | | |
| Accounts payable | 15,092 | 30,930 |
| Accrued expenses and other current liabilities | 69,471 | 61,038 |
| Pharmacy benefit management rebates payable | 58,866 | 61,364 |
| Pharmacy benefit claims payable | 190,210 | 84,599 |
| Total current liabilities | 333,639 | 237,931 |
| Deferred income taxes | 13,890 | 15,111 |
| Other liabilities | 10,091 | 10,492 |
| Total liabilities | 357,620 | 263,534 |
| Commitments and contingencies (Note 12) | | |
| Shareholders’ equity | | |
| Common shares: no par value, unlimited shares authorized; 62,287,716 shares issued and outstanding at September 30, 2011 (December 31, 2010 — 61,602,997 shares) | 393,616 | 381,736 |
| Additional paid-in capital | 34,213 | 24,973 |
| Retained earnings | 211,649 | 146,547 |
| Total shareholders’ equity | 639,478 | 553,256 |
| Total liabilities and shareholders’ equity | $ 997,098 | $ 816,790 |