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Stockholders' Equity	9 Months Ended
Sep. 30, 2011
Stockholders' Equity
Stockholders' Equity	NOTE 13 — STOCKHOLDERS' EQUITY In May 2011, our Board of Directors authorized a new stock repurchase program covering up to $200 million of our common stock. This program replaced the $150 million stock repurchase program previously authorized in February 2011. Any stock repurchases may be made through open market and privately negotiated transactions, at times and in such amounts as management deems appropriate, including pursuant to one or more Rule 10b5-1 trading plans. Rule 10b5-1 permits Quest to establish, while not in possession of material nonpublic information, prearranged plans to buy stock at a specific price in the future, regardless of any subsequent possession of material nonpublic information. The timing and actual number of shares repurchased will depend on a variety of factors including market conditions, corporate and regulatory requirements, and capital availability. The stock repurchase program does not have an expiration date and may be limited or terminated at any time without prior notice. During the three months ended September 30, 2011, we repurchased 2.9 million shares at a weighted average price per share of $16.57 for a total cost of $48.7 million. At September 30, 2011, a total of $73.2 million remains available pursuant to our stock repurchase authorization.

Stockholders' Equity

9 Months Ended

Sep. 30, 2011

NOTE 13 — STOCKHOLDERS' EQUITY

In May 2011, our Board of Directors authorized a new stock repurchase program covering up to $200 million of our common stock. This program replaced the $150 million stock repurchase program previously authorized in February 2011. Any stock repurchases may be made through open market and privately negotiated transactions, at times and in such amounts as management deems appropriate, including pursuant to one or more Rule 10b5-1 trading plans. Rule 10b5-1 permits Quest to establish, while not in possession of material nonpublic information, prearranged plans to buy stock at a specific price in the future, regardless of any subsequent possession of material nonpublic information. The timing and actual number of shares repurchased will depend on a variety of factors including market conditions, corporate and regulatory requirements, and capital availability. The stock repurchase program does not have an expiration date and may be limited or terminated at any time without prior notice. During the three months ended September 30, 2011, we repurchased 2.9 million shares at a weighted average price per share of $16.57 for a total cost of $48.7 million. At September 30, 2011, a total of $73.2 million remains available pursuant to our stock repurchase authorization.