DEFERRED REVENUE (Details) (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Change in deferred revenue associated with the sale of warranties
Deferred revenue, beginning of period	$ 186,671,000	$ 202,477,000	$ 191,245,000	$ 208,516,000
Warranties sold	33,135,000	31,727,000	102,976,000	101,276,000
Revenue recognized	(35,925,000)	(36,090,000)	(110,340,000)	(111,678,000)
Deferred revenue, end of period	183,881,000	198,114,000	183,881,000	198,114,000
Translation adjustment for fluctuation in Canadian currency rate (amounts included in warranties sold)			1,800,000
Gross margin	$ 28,500,000	$ 29,300,000	$ 88,500,000	$ 91,600,000
Optional theft protection | Fine Jewelry
DEFERRED REVENUE
Contract period of arrangement			2 years
Revenue recognition period			2 years
Lifetime warranty
DEFERRED REVENUE
Contract period of arrangement			8 years
Watch warranty | Fine Jewelry
DEFERRED REVENUE
Contract period of arrangement			2 years
Breakage warranty | Fine Jewelry
DEFERRED REVENUE
Contract period of arrangement			1 year
Breakage warranty | Kiosk
DEFERRED REVENUE
Contract period of arrangement			1 year