Income Taxes (Provision for Income Taxes) (Details) - USD ($) $ in Thousands  | 
12 Months Ended | ||
|---|---|---|---|
Dec. 28, 2017  | 
Dec. 29, 2016  | 
Dec. 31, 2015  | 
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| Current (benefit) expense: | |||
| Federal | $ (4,097) | $ 14,588 | $ 13,183 | 
| State | 479 | 2,422 | 2,552 | 
| Total current (benefit) expense | (3,618) | 17,010 | 15,735 | 
| Deferred (benefit)/expense: | |||
| Federal | (250) | (4,765) | 553 | 
| State | (368) | (771) | (89) | 
| Total deferred (benefit)/expense | (618) | (5,536) | 464 | 
| Provision for income taxes | $ (4,236) | $ 11,474 | $ 16,199 | 
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- Definition Amount of current state, local, and federal tax expense (benefit) pertaining to income (loss) from continuing operations. No definition available. 
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- References No definition available. 
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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of deferred state, local, and federal tax expense (benefit) pertaining to income (loss) from continuing operations. No definition available. 
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- References No definition available. 
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- Definition Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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