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Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Cash flows used in operating activities $ (608,917) $ (460,719)
Cash flows from investing activities:    
Proceeds from sales of fixed-maturity investments available for sale 101,648 69,946
Proceeds from sales of equity securities available for sale 555 5,962
Proceeds from sales of trading securities 2,444,549 918,017
Proceeds from redemptions of fixed-maturity investments available for sale 28,032 30,492
Proceeds from redemptions of fixed-maturity investments held to maturity 3,195 2,635
Purchases of trading securities (2,206,653) (1,338,204)
Sales and redemptions of short-term investments, net 407,494 91,768
Purchases of other invested assets, net (2,717) (955)
Proceeds from the sale of investment in affiliate 0 172,017
Purchases of property and equipment, net (5,729) (1,279)
Net cash provided by (used in) investing activities 770,374 (49,601)
Cash flows from financing activities:    
Dividends paid (667) (536)
Redemption of long-term debt (160,000) (29,348)
Issuance of common stock 0 526,185
Net cash used in financing activities (160,667) 496,301
Effect of exchange rate changes on cash (2) (388)
Increase (decrease) in cash 788 (14,407)
Cash, beginning of period 20,334 41,574
Cash, end of period 21,122 27,167
Supplemental disclosures of cash flow information:    
Income taxes (received) paid (1,275) 1,725
Interest paid $ 27,244 $ 20,529