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Stockholders' Equity (Narrative)(Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 30, 2012
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Dec. 29, 2013
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Dec. 30, 2012
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Dec. 25, 2011
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| Class of Stock [Line Items] | ||||||
| Secondary offering costs | $ 508 | $ 417 | $ 228 | $ 925 | $ 228 | $ 0 |
| Convertible preferred stock, shares issued upon conversion | 1 | 1 | ||||
| Payments for repurchase of stock | $ 0 | $ 22,474 | $ 0 | |||
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Common Stock [Member]
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| Class of Stock [Line Items] | ||||||
| Stock repurchase | 15,627 | |||||
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Preferred Stock [Member]
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| Class of Stock [Line Items] | ||||||
| Stock repurchase | 1,640,035 | |||||
| X | ||||||||||
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- Definition
Costs and expenses incurred druing the period related to the registration and sell of stock held by existing shareholders. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of shares issued for each share of convertible preferred stock that is converted. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow to reacquire common and preferred stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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