OTHER (GAINS) CHARGES (Details) (USD $)	3 Months Ended		12 Months Ended
	Apr. 30, 2013	Oct. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
OTHER (GAINS) CHARGES
Store impairments			$ 1,119,000	$ 1,751,000	$ 6,762,000
Store closure adjustments			324,000	222,000	285,000
De Beers settlement	(300,000)	(1,900,000)	(2,191,000)
Other (gains) charges			(748,000)	1,973,000	7,047,000
Percentage one, used in impairment sensitivity analysis to disclose financial impact of adverse change in earnings			20.00%
Amount of additional impairment if operating earnings decline by 20%			500,000
Lease reserve balance associated with closed stores, primarily in fine jewelry			0	0
Amount received as a result of a settlement of lawsuit			$ 2,200,000