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Stockholders' Equity and Stock-Based Compensation - Share Repurchases (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
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Dec. 27, 2014 | Dec. 28, 2013 | Dec. 29, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Common stock repurchased and retired, shares | 362,633 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares | 332,771 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares | 587,766 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Weighted average price (in dollars per share) | $ 14.74 us-gaap_TreasuryStockAcquiredAverageCostPerShare | $ 15.03 us-gaap_TreasuryStockAcquiredAverageCostPerShare | $ 14.47 us-gaap_TreasuryStockAcquiredAverageCostPerShare
Total cost of repurchase | $ 5,344 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | $ 5,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | $ 8,504 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Amount available for repurchase at end of period | $ 6,118 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 | $ 11,462 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 | $ 16,462 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

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- Details
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- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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