COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended
	Feb. 28, 2013 item	Feb. 29, 2012
Contingent Consideration Payments
Gross profit	$ 14,315,000	$ 13,084,000
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%