DEFERRED REVENUE (Details) (USD $)	3 Months Ended
Oct. 31, 2013	Oct. 31, 2012
Change in deferred revenue associated with the sale of warranties
Deferred revenue, beginning of period	$ 191,245,000	$ 208,516,000
Warranties sold	25,934,000	24,980,000
Revenue recognized	(33,955,000)	(34,257,000)
Deferred revenue, end of period	183,224,000	199,239,000
Translation adjustment for fluctuation in Canadian currency rate (amounts included in warranties sold)	500,000
Gross margin	$ 27,400,000	$ 28,100,000
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

Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1 Response)

-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780

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- Definition

Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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- Definition

Represents the contract period of the deferred revenue arrangement.

+ References

No definition available.

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- Definition

Represents the amount of gross margin related to previously reported deferred or unearned revenue that was recognized as revenue during the period.

+ References

No definition available.

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Represents the period over which revenue is recognized.

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- Definition

The increase (decrease) to the recorded value of deferred revenue for foreign currency translation adjustments.

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