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Share Repurchase Program	9 Months Ended
Aug. 31, 2013
Share Repurchase Program Disclosure [Abstract]
Share Repurchase Program [Text Block]	Note 15: Share Repurchase Program On September 30, 2010, the Board of Directors authorized a share repurchase program of up to $100,000 of our outstanding common shares. Under the program, we are authorized to repurchase shares for cash on the open market, from time to time, in privately negotiated transactions or block transactions, or through an accelerated repurchase agreement. The timing of such repurchases is dependent on price, market conditions and applicable regulatory requirements. Upon repurchase of the shares, we reduced our common stock for the par value of the shares with the excess being applied against additional paid-in capital. During the third quarter of 2013 we repurchased shares under this program, with an aggregate value of $4,893. Of this amount, $125 reduced common stock and $4,768 reduced additional paid-in capital. During the first 39 weeks of 2013 we repurchased shares under this program, with an aggregate value of $9,668. Of this amount, $250 reduced common stock and $9,418 reduced additional paid-in capital. During the first 39 weeks of 2012 we repurchased shares under this program, with an aggregate value of $2,999. Of this amount, $100 reduced common stock and $2,899 reduced additional paid-in capital.

Share Repurchase Program

9 Months Ended

Aug. 31, 2013

Share Repurchase Program Disclosure [Abstract]

Note 15: Share Repurchase Program

On September 30, 2010, the Board of Directors authorized a share repurchase program of up to $100,000 of our outstanding common shares. Under the program, we are authorized to repurchase shares for cash on the open market, from time to time, in privately negotiated transactions or block transactions, or through an accelerated repurchase agreement. The timing of such repurchases is dependent on price, market conditions and applicable regulatory requirements. Upon repurchase of the shares, we reduced our common stock for the par value of the shares with the excess being applied against additional paid-in capital.

During the third quarter of 2013 we repurchased shares under this program, with an aggregate value of $4,893. Of this amount, $125 reduced common stock and $4,768 reduced additional paid-in capital. During the first 39 weeks of 2013 we repurchased shares under this program, with an aggregate value of $9,668. Of this amount, $250 reduced common stock and $9,418 reduced additional paid-in capital. During the first 39 weeks of 2012 we repurchased shares under this program, with an aggregate value of $2,999. Of this amount, $100 reduced common stock and $2,899 reduced additional paid-in capital.