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Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical)	3 Months Ended
	Mar. 31, 2012
Non cash investing and financing activities:
Interest rate of convertible subordinated notes	6.25%

The dividend or interest rate, if any, associated with the financial instrument issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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