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COMMON STOCK AND STOCK-BASED COMPENSATION - RSA and RSU Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		12 Months Ended			12 Months Ended		12 Months Ended			3 Months Ended	1 Months Ended
	Jul. 27, 2013 2010 Stock Plan Restricted Stock Awards (RSA's)	Jul. 27, 2013 2010 Stock Plan Restricted Stock Units (RSUs)	Apr. 30, 2011 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) Cliff vesting	Jul. 27, 2013 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) Cliff vesting	Jul. 27, 2013 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) Cliff vesting Target	Apr. 30, 2011 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) Equal annual installments	Jul. 27, 2013 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) Equal annual installments	Apr. 28, 2012 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) One-third per year, beginning in fiscal 2015, performance based	Jul. 27, 2013 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) One-third per year, beginning in fiscal 2015, performance based	Jul. 27, 2013 2010 Stock Plan Restricted Stock Awards (RSA's) and Restricted Stock Units (RSU's) One-third per year, beginning in fiscal 2015, performance based Target	Jul. 27, 2013 2007 Stock Plan Restricted Stock Awards (RSA's)	Apr. 30, 2007 2007 Stock Plan Restricted Stock Units (RSUs)	Jul. 27, 2013 2007 Stock Plan Restricted Stock Units (RSUs)	Apr. 30, 2007 2007 Stock Plan Converted from RSA's to RSU's
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding														225,000
Award vesting period			5 years			5 years
Annual award vesting percentage								33.30%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested and unissued - beginning balance (in shares)	700,000	120,000
Awarded (in shares)	0	0	600,000			300,000		100,000			27,000
Vested (in shares)	0	0
Forfeited and cancelled (in shares)	0	0
Unvested and unissued - ending balance (in shares)	700,000	120,000
Weighted average value			$ 9.70			$ 9.70		$ 8.10
Unearned compensation expense				$ 2,277	$ 2,277		$ 353		$ 440	$ 440
CEO's RSU award issuance and delivery conditions, waiting period after termination												30 days
Number of non-option equity instruments vested and outstanding													225,000

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Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Number of shares reserved for issuance under non-option equity instrument agreements awarded that validly exist and are outstanding, including vested instruments.

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