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Noncontrolling Interests (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended
Aug. 31, 2013
Sep. 01, 2012
Aug. 31, 2013
Sep. 01, 2012
Dec. 01, 2012
Aug. 31, 2013
Non-redeemable noncontrolling interests [Member]
Sep. 01, 2012
Non-redeemable noncontrolling interests [Member]
Dec. 01, 2012
Non-redeemable noncontrolling interests [Member]
Dec. 03, 2011
Non-redeemable noncontrolling interests [Member]
Mar. 31, 2007
Redeemable Noncontrolling Interests [Member]
Aug. 31, 2013
Redeemable Noncontrolling Interests [Member]
Sep. 01, 2012
Redeemable Noncontrolling Interests [Member]
Dec. 01, 2012
Redeemable Noncontrolling Interests [Member]
Dec. 03, 2011
Redeemable Noncontrolling Interests [Member]
Mar. 07, 2007
Redeemable Noncontrolling Interests [Member]
Increase (Decrease) in Stockholders Equity and Temporary Equity [Roll Forward]                              
Redeemable noncontrolling interests $ 1,814   $ 1,814   $ 1,754           $ 1,814 $ 1,707 $ 1,754 $ 1,557  
Noncontrolling interests 948   948   986 948 908 986 831            
Net earnings attributable to noncontrolling interests 66 141 234 306   199 65       35 241      
Other comprehensive earnings, net of tax, foreign currency and other adjustments, portion attributable to noncontrolling interests           (31) 12       25 (91)      
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders           (206) 0       0 0      
Business Acquisition, Name of Acquired Entity                   Sinfa SA          
Business Acquisition, Effective Date of Acquisition                   Mar. 07, 2007          
Noncontrolling Interest, Ownership Percentage by Parent                             80.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners                             20.00%
Temporary Equity, Accounting Treatment                   The Redeemable noncontrolling interests is reflected at its carrying value, which is greater than its estimated redemption price. The Redeemable noncontrolling interests will be accreted to the redemption price, through equity, at the point at which the redemption becomes probable          
Temporary Equity, Accretion to Redemption Value $ 0   $ 0