COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended		9 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013 item	Aug. 31, 2012
Contingent Consideration Payments
Gross profit	$ 12,845,000	$ 13,818,000	$ 40,665,000	$ 40,462,000
Number of temporary space			1
Operating lease agreements expiring term for temporary space			9 months
Minimum
Contingent Consideration Payments
Operating lease agreements expiring term			5 years
Percentage of annual sales volume			6.00%
Maximum
Contingent Consideration Payments
Operating lease agreements expiring term			10 years
Percentage of annual sales volume			8.00%
Joe Dahan
Contingent Consideration Payments
Payment of consideration to be made, if the gross profit was less than specified amount			0
Joe Dahan | Minimum
Contingent Consideration Payments
Gross profit required for payment of consideration			11,250,000
Gross profit from $11,251,000 to $22,500,000 | Minimum
Contingent Consideration Payments
Gross profit			11,251,000
Gross profit from $11,251,000 to $22,500,000 | Maximum
Contingent Consideration Payments
Gross profit			22,500,000
Gross profit from $11,251,000 to $22,500,000 | Joe Dahan
Contingent Consideration Payments
Percentage of gross profit			11.33%
Gross profit from $22,501,000 to $31,500,000 | Minimum
Contingent Consideration Payments
Gross profit			22,501,000
Gross profit from $22,501,000 to $31,500,000 | Maximum
Contingent Consideration Payments
Gross profit			31,500,000
Gross profit from $22,501,000 to $31,500,000 | Joe Dahan
Contingent Consideration Payments
Percentage of gross profit			3.00%
Gross profit from $31,501,000 to $40,500,000 | Minimum
Contingent Consideration Payments
Gross profit			31,501,000
Gross profit from $31,501,000 to $40,500,000 | Maximum
Contingent Consideration Payments
Gross profit			40,500,000
Gross profit from $31,501,000 to $40,500,000 | Joe Dahan
Contingent Consideration Payments
Percentage of gross profit			2.00%
Gross profit above $40,501,000 | Minimum
Contingent Consideration Payments
Gross profit			$ 40,501,000
Gross profit above $40,501,000 | Joe Dahan
Contingent Consideration Payments
Percentage of gross profit			1.00%