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Stock-Based Compensation (Details Textual) (USD $)
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6 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||
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Jun. 24, 2012
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Dec. 25, 2011
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Jun. 02, 2011
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Dec. 26, 2010
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Dec. 25, 2011
Stock Options [Member]
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Dec. 25, 2011
2009 Plan [Member]
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Jun. 02, 2009
2009 Plan [Member]
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Dec. 25, 2011
Minimum [Member]
Stock Options [Member]
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Dec. 25, 2011
Maximum [Member]
Stock Options [Member]
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Jun. 24, 2012
Restricted stock / vested shares [Member]
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Dec. 25, 2011
Restricted stock / vested shares [Member]
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Jun. 09, 2010
Restricted stock / vested shares [Member]
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Jun. 01, 2010
Restricted stock / vested shares [Member]
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Mar. 15, 2010
Restricted stock / vested shares [Member]
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Dec. 25, 2011
Restricted stock units [Member]
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Jun. 24, 2012
Restricted stock units [Member]
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Jun. 02, 2011
Restricted stock units [Member]
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Jun. 24, 2012
ESPP [Member]
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Dec. 25, 2011
ESPP [Member]
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Apr. 19, 2006
ESPP [Member]
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| Stock-Based Compensation (Textual) [Abstract] | ||||||||||||||||||||
| Weighted-average period | 1 year | 10 months 24 days | 5 months | |||||||||||||||||
| Unrecognized compensation expense | $ 200,000 | $ 800,000 | $ 26,000 | $ 0 | ||||||||||||||||
| Restricted stock units | 20,532 | |||||||||||||||||||
| RSUs granted | 600,000 | |||||||||||||||||||
| Restricted stock units vesting date | Jun. 02, 2012 | |||||||||||||||||||
| Aggregate common stock issued | 32,087,000 | 2,421,000 | 1,382,000 | 40,000 | 24,000 | 123,546 | 12,354 | |||||||||||||
| Number of shares for future issuance | 31,696 | 11,185 | ||||||||||||||||||
| Contractual terms under option granted | 10 years | |||||||||||||||||||
| Period to exercise option | 1 year | 3 years | ||||||||||||||||||
| Option Unrecognized compensation costs | 0 | |||||||||||||||||||
| Restricted stock granted to certain employees | 20,532 | 1,206 | 1,224 | 19,280 | ||||||||||||||||
| Grant date fair value of the restricted shares | $ 89.75 | |||||||||||||||||||
| Grant date fair value | $ 99.50 | $ 98.00 | $ 123.00 | |||||||||||||||||
| Number of shares vest in full | 9,791 | 1,082 | 8,400 | |||||||||||||||||
| Performance based restricted shares | 10,880 | |||||||||||||||||||
| Total Fair value of the RSUs granted | $ 600,000 | |||||||||||||||||||