Shareholders' Equity	12 Months Ended
Nov. 30, 2012
Equity [Abstract]
Shareholders' Equity	Shareholders’ Equity Preferred Stock Our Board of Directors is authorized to establish one or more series of preferred stock and to fix and determine the number and conditions of preferred shares, including dividend rates, redemption and/or conversion provisions, if any, preferences and voting rights. As of November 30, 2012, there was no preferred stock issued or outstanding. Common Stock We have 200,000,000 shares of authorized common stock, $0.01 par value per share, of which 59,595,000 were issued and outstanding at November 30, 2012. We issued 31,000 and 24,000 shares of common stock in fiscal years 2011 and 2010, respectively, with a fair value of $0.7 million and $0.5 million, respectively, to members of the Board the Directors as a component of the annual compensation paid to non-employee directors. Restricted stock totaling 7,500 shares with a fair value of $0.1 million vested during fiscal year 2010. All outstanding restricted stock vested as of November 30, 2010. There were 74,900 deferred stock units (DSUs) outstanding at November 30, 2012. Each DSU represents one share of our common stock and all DSU grants have been made to non-employee members of our Board of Directors. The DSUs granted prior to fiscal year 2011 were fully vested on the date of grant and do not have voting rights and can only be converted into common stock when the recipient ceases being a member of the Board of Directors. There were 21,700 DSUs granted in fiscal year 2011, of which 7,400 were vested as of November 30, 2012. Common Stock Repurchases During the second quarter of fiscal year 2012, in conjunction with the Plan, the Board of Directors authorized a $350.0 million return of capital to shareholders in the form of a share repurchase through fiscal year 2013. In fiscal year 2012, we repurchased and retired 4,494,000 shares of our common stock for $88.4 million. In fiscal years 2011 and 2010, we repurchased and retired 8,391,000 shares and 1,496,000 shares, respectively, of our common stock for $200.0 million and $29.3 million, respectively. The shares repurchased and retired in fiscal years 2011 and 2010 were repurchased as part of previously announced share repurchase programs, which were completed in fiscal year 2011.

Shareholders’ Equity

Preferred Stock

Our Board of Directors is authorized to establish one or more series of preferred stock and to fix and determine the number and conditions of preferred shares, including dividend rates, redemption and/or conversion provisions, if any, preferences and voting rights. As of November 30, 2012, there was no preferred stock issued or outstanding.

Common Stock

We have 200,000,000 shares of authorized common stock, $0.01 par value per share, of which 59,595,000 were issued and outstanding at November 30, 2012.

We issued 31,000 and 24,000 shares of common stock in fiscal years 2011 and 2010, respectively, with a fair value of $0.7 million and $0.5 million, respectively, to members of the Board the Directors as a component of the annual compensation paid to non-employee directors.

Restricted stock totaling 7,500 shares with a fair value of $0.1 million vested during fiscal year 2010. All outstanding restricted stock vested as of November 30, 2010.

There were 74,900 deferred stock units (DSUs) outstanding at November 30, 2012. Each DSU represents one share of our common stock and all DSU grants have been made to non-employee members of our Board of Directors. The DSUs granted prior to fiscal year 2011 were fully vested on the date of grant and do not have voting rights and can only be converted into common stock when the recipient ceases being a member of the Board of Directors. There were 21,700 DSUs granted in fiscal year 2011, of which 7,400 were vested as of November 30, 2012.

Common Stock Repurchases

During the second quarter of fiscal year 2012, in conjunction with the Plan, the Board of Directors authorized a $350.0 million return of capital to shareholders in the form of a share repurchase through fiscal year 2013. In fiscal year 2012, we repurchased and retired 4,494,000 shares of our common stock for $88.4 million.

In fiscal years 2011 and 2010, we repurchased and retired 8,391,000 shares and 1,496,000 shares, respectively, of our common stock for $200.0 million and $29.3 million, respectively. The shares repurchased and retired in fiscal years 2011 and 2010 were repurchased as part of previously announced share repurchase programs, which were completed in fiscal year 2011.