TREASURY STOCK	9 Months Ended
Sep. 30, 2013
Equity [Abstract]
TREASURY STOCK	TREASURY STOCK In the second quarter of 2013, the Company's Board of Directors authorized a program to purchase $1.0 billion of the Company's common stock. The Company repurchased 431,910 shares in the second quarter of 2013 for an aggregate cost of $345.5 million in privately negotiated, off-market transactions. In the third quarter of 2013, the Company repurchased 484,361 shares for an aggregate cost of $459.2 million. In the first quarter of 2012, the Company's Board of Directors authorized a one-time purchase of the Company's common stock up to $200 million concurrent with the issuance of the 2018 Notes. The Company repurchased 263,913 shares in the first quarter of 2012 for an aggregate cost of $166.2 million. As of September 30, 2013, the Company has a remaining aggregate amount from all authorizations granted by the Board of Directors of $654.5 million to purchase its common stock. The Company may make additional repurchases of shares under its stock repurchase programs, depending on prevailing market conditions, alternate uses of capital and other factors. The Board of Directors has also given the Company the general authorization to repurchase shares of its common stock to satisfy employee withholding tax obligations related to stock-based compensation. The Company repurchased 113,052 shares and 138,576 shares at aggregate costs of $78.3 million and $89.2 million in the nine months ended September 30, 2013 and 2012, respectively, to satisfy employee withholding taxes related to stock-based compensation. As of September 30, 2013, there were approximately 9.2 million shares of the Company's common stock held in treasury.

TREASURY STOCK

In the second quarter of 2013, the Company's Board of Directors authorized a program to purchase $1.0 billion of the Company's common stock. The Company repurchased 431,910 shares in the second quarter of 2013 for an aggregate cost of $345.5 million in privately negotiated, off-market transactions. In the third quarter of 2013, the Company repurchased 484,361 shares for an aggregate cost of $459.2 million.

In the first quarter of 2012, the Company's Board of Directors authorized a one-time purchase of the Company's common stock up to $200 million concurrent with the issuance of the 2018 Notes. The Company repurchased 263,913 shares in the first quarter of 2012 for an aggregate cost of $166.2 million.

As of September 30, 2013, the Company has a remaining aggregate amount from all authorizations granted by the Board of Directors of $654.5 million to purchase its common stock. The Company may make additional repurchases of shares under its stock repurchase programs, depending on prevailing market conditions, alternate uses of capital and other factors.

The Board of Directors has also given the Company the general authorization to repurchase shares of its common stock to satisfy employee withholding tax obligations related to stock-based compensation. The Company repurchased 113,052 shares and 138,576 shares at aggregate costs of $78.3 million and $89.2 million in the nine months ended September 30, 2013 and 2012, respectively, to satisfy employee withholding taxes related to stock-based compensation.

As of September 30, 2013, there were approximately 9.2 million shares of the Company's common stock held in treasury.