Share Repurchase Program	9 Months Ended
Sep. 30, 2012
Share Repurchase Program [Abstract]
SHARE REPURCHASE PROGRAM	SHARE REPURCHASE PROGRAM In February 2010, the Company’s Board of Directors approved a $15.0 million share repurchase program for calendar year 2010. In September 2010, the Company’s Board of Directors approved an increase to the amount authorized for repurchase from $15.0 million to $30.0 million. In November 2010, the Company’s Board of Directors approved an extension of the termination of the authorized repurchase plan from December 31, 2010 to the date on which the total authorized aggregate amount was expended. In May 2011, the Company’s Board of Directors authorized the repurchase of an additional $30.0 million of the Company’s common stock. On July 26, 2012, the Company announced that its Board of Directors authorized the repurchase of an additional $30.0 million of the Company’s common stock which increased the total approval for repurchase since February 2010 to $90.0 million. The total available for repurchase, as of September 30, 2012, was $25.3 million. Shares of common stock purchased pursuant to the repurchase program are cancelled from outstanding shares upon repurchase and credited to an authorized and un-issued reserve account. Share repurchases are recorded as a reduction to common stock to the extent available. Any amounts repurchased which are in excess of the existing total common stock balance are recorded as a reduction of retained earnings. Share repurchases are intended to reduce the number of outstanding shares of common stock to increase shareholder value and offset dilution from the Company’s stock option plans and ESPP. During the nine months ended September 30, 2012, the Company repurchased 2,820,141 shares of its common stock for an aggregate price of $28.4 million.

SHARE REPURCHASE PROGRAM

In February 2010, the Company’s Board of Directors approved a $15.0 million share repurchase program for calendar year 2010. In September 2010, the Company’s Board of Directors approved an increase to the amount authorized for repurchase from $15.0 million to $30.0 million. In November 2010, the Company’s Board of Directors approved an extension of the termination of the authorized repurchase plan from December 31, 2010 to the date on which the total authorized aggregate amount was expended. In May 2011, the Company’s Board of Directors authorized the repurchase of an additional $30.0 million of the Company’s common stock. On July 26, 2012, the Company announced that its Board of Directors authorized the repurchase of an additional $30.0 million of the Company’s common stock which increased the total approval for repurchase since February 2010 to $90.0 million. The total available for repurchase, as of September 30, 2012, was $25.3 million.

Shares of common stock purchased pursuant to the repurchase program are cancelled from outstanding shares upon repurchase and credited to an authorized and un-issued reserve account. Share repurchases are recorded as a reduction to common stock to the extent available. Any amounts repurchased which are in excess of the existing total common stock balance are recorded as a reduction of retained earnings. Share repurchases are intended to reduce the number of outstanding shares of common stock to increase shareholder value and offset dilution from the Company’s stock option plans and ESPP. During the nine months ended September 30, 2012, the Company repurchased 2,820,141 shares of its common stock for an aggregate price of $28.4 million.