SEGMENTS (Details) (USD $)	3 Months Ended								12 Months Ended
	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2013 item	Jul. 31, 2012	Jul. 31, 2011
SEGMENTS
Number of business segments									3
SEGMENTS
Total revenues	$ 417,089,000	$ 442,708,000	$ 670,752,000	$ 357,468,000	$ 406,963,000	$ 445,170,000	$ 663,762,000	$ 350,983,000	$ 1,888,016,000	$ 1,866,878,000	$ 1,742,563,000
Total depreciation and amortization									33,770,000	37,887,000	41,326,000
Total operating earnings (loss)									35,118,000	19,118,000	(27,866,000)
Total assets	1,187,255,000				1,180,468,000				1,187,255,000	1,180,468,000	1,188,758,000
Total capital expenditures									23,029,000	19,775,000	15,315,000
Charges associated with store closures and store impairments									(748,000)	1,973,000	7,047,000
De Beers settlement		300,000		1,900,000					2,191,000
Lifetime warranty | Change in estimate
SEGMENTS
Total revenues										34,900,000
Fine Jewelry
SEGMENTS
Total revenues									1,637,359,000	1,617,684,000	1,493,294,000
Total depreciation and amortization									22,230,000	23,924,000	28,009,000
Total operating earnings (loss)									49,112,000	31,464,000	(15,875,000)
Total assets	852,308,000				821,427,000				852,308,000	821,427,000	807,771,000
Total capital expenditures									16,513,000	13,843,000	8,818,000
Revenue related to foreign operations									316,900,000	313,000,000	298,100,000
Charges associated with store closures and store impairments									1,400,000	2,000,000	7,000,000
Fixed assets related to foreign operations	31,200,000				31,300,000				31,200,000	31,300,000	33,400,000
Fine Jewelry | Lifetime warranty | Change in estimate
SEGMENTS
Total revenues										34,900,000
Kiosk
SEGMENTS
Total revenues									239,722,000	238,692,000	239,231,000
Total depreciation and amortization									2,694,000	3,153,000	3,361,000
Total operating earnings (loss)									15,915,000	14,850,000	15,270,000
Total assets	73,975,000				85,828,000				73,975,000	85,828,000	85,999,000
Total capital expenditures									546,000
All Other
SEGMENTS
Total revenues									10,935,000	10,502,000	10,038,000
Total operating earnings (loss)									5,226,000	5,091,000	5,184,000
Total assets	27,725,000				38,110,000				27,725,000	38,110,000	40,406,000
Unallocated
SEGMENTS
Total depreciation and amortization									8,846,000	10,810,000	9,956,000
Total operating earnings (loss)									(35,135,000)	(32,287,000)	(32,445,000)
Total assets	233,247,000				235,103,000				233,247,000	235,103,000	254,582,000
Total capital expenditures									5,970,000	5,932,000	6,497,000
Internal carrying costs offset									63,400,000	58,900,000	50,800,000
De Beers settlement									$ 2,200,000