Share Repurchase Program	12 Months Ended
Jan. 31, 2015
Equity [Abstract]
Share Repurchase Program	Share Repurchase Program On March 14, 2011, the Company’s Board of Directors authorized a program to repurchase, from time-to-time and as market and business conditions warrant, up to $250 million of the Company’s common stock (the “2011 Share Repurchase Program”). On June 26, 2012, the Company’s Board of Directors authorized a new program to repurchase, from time-to-time and as market and business conditions warrant, up to $500 million of the Company’s common stock (the “2012 Share Repurchase Program”). The 2012 Share Repurchase Program was in addition to the 2011 Share Repurchase Program. Repurchases under programs may be made on the open market or in privately negotiated transactions, pursuant to Rule 10b5-1 trading plans or other available means. There is no minimum or maximum number of shares to be repurchased under programs and programs may be discontinued at any time, without prior notice. As of January 31, 2015, the Company had remaining authority under the 2012 Share Repurchase Program to purchase $495.8 million of its common stock and no remaining authority to purchase shares under the 2011 Share Repurchase Program. The Company made no share repurchases during fiscal 2015. During fiscal 2014, the Company repurchased a total of 882,551 shares under the 2011 and 2012 Share Repurchase Programs at an aggregate cost of $22.1 million. During fiscal 2013, the Company repurchased 5,036,418 shares under the 2011 Share Repurchase Program at an aggregate cost of $140.1 million.

Share Repurchase Program

On March 14, 2011, the Company’s Board of Directors authorized a program to repurchase, from time-to-time and as market and business conditions warrant, up to $250 million of the Company’s common stock (the “2011 Share Repurchase Program”). On June 26, 2012, the Company’s Board of Directors authorized a new program to repurchase, from time-to-time and as market and business conditions warrant, up to $500 million of the Company’s common stock (the “2012 Share Repurchase Program”). The 2012 Share Repurchase Program was in addition to the 2011 Share Repurchase Program. Repurchases under programs may be made on the open market or in privately negotiated transactions, pursuant to Rule 10b5-1 trading plans or other available means. There is no minimum or maximum number of shares to be repurchased under programs and programs may be discontinued at any time, without prior notice. As of January 31, 2015, the Company had remaining authority under the 2012 Share Repurchase Program to purchase $495.8 million of its common stock and no remaining authority to purchase shares under the 2011 Share Repurchase Program. The Company made no share repurchases during fiscal 2015. During fiscal 2014, the Company repurchased a total of 882,551 shares under the 2011 and 2012 Share Repurchase Programs at an aggregate cost of $22.1 million. During fiscal 2013, the Company repurchased 5,036,418 shares under the 2011 Share Repurchase Program at an aggregate cost of $140.1 million.