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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock-based compensation expense | $ 6.2 | $ 6.3 | $ 5.7
Related tax benefit to stock based compensation | $ 1.0 | $ 0.8 | $ 0.7
Stock Options [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options vesting period | 5 years |  |
Shares available for future issuance (in shares) | 1,100 |  |
Weighted average grant-date fair value of options granted (in dollars per share) | $ 7.58 | $ 9.00 | $ 8.77
Estimated forfeiture rate | 16.10% | 16.40% |
Weighted average key assumptions [Abstract] |  |  |
Expected term | 5 years 6 months | 5 years 7 months 6 days | 5 years 10 months 24 days
Expected price volatility | 26.20% | 34.30% | 39.70%
Risk-free interest rate | 1.70% | 1.70% | 0.70%
Dividend yield | 0.90% | 1.00% | 0.90%
Total intrinsic value of options exercised | $ 3.1 | $ 3.5 | $ 2.9
Fair value of options vested | 0.8 | $ 1.0 | 1.1
Aggregate intrinsic value of all outstanding options | $ 10.1 |  |
Weighted average remaining contractual term of all outstanding options | 5 years 3 months 18 days |  |
Outstanding options, exercisable (in shares) | 789 |  |
Aggregate intrinsic value of current exercisable shares | $ 9.9 |  |
Weighted average exercise price (in dollars per share) | $ 15.82 |  |
Weighted average remaining contractual term | 3 years 8 months 12 days |  |
Compensation for stock awards not yet recognized | $ 1.9 |  |
Compensation recognition period | 3 years 1 month 6 days |  |
Options outstanding [Roll Forward] |  |  |
Beginning balance (in shares) | 1,127 |  |
Granted (in shares) | 223 |  |
Exercised (in shares) | (149) |  |
Forfeited (in shares) | (3) |  |
Ending balance (in shares) | 1,198 | 1,127 |
Weighted average exercise price [Roll Forward] |  |  |
Beginning balance (in dollars per share) | $ 17.38 |  |
Granted (in dollars per share) | 32.59 |  |
Exercised (in dollars per share) | 13.95 |  |
Forfeited (in dollars per share) | 30.61 |  |
Ending balance (in dollars per share) | $ 20.59 | $ 17.38 |
Stock Options [Member] | Minimum [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options vesting period | 1 year |  |
Stock Options [Member] | Maximum [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options expiration period | 10 years |  |
Restricted Stock [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Aggregate intrinsic value | $ 19.9 |  |
Weighted average key assumptions [Abstract] |  |  |
Fair value of options vested | 4.8 | $ 4.2 | $ 1.8
Compensation for stock awards not yet recognized | $ 14.4 |  |
Compensation recognition period | 3 years 3 months 18 days |  |
Restricted stock [Roll Forward] |  |  |
Beginning balance (in shares) | 727 |  |
Granted (in shares) | 193 |  |
Exercised (in shares) | (214) |  |
Forfeited (in shares) | (1) |  |
Ending balance (in shares) | 705 | 727 |
Weighted average grant date fair value [Abstract] |  |  |
Beginning balance (in dollars per share) | $ 25.21 |  |
Granted (in dollars per share) | 32.54 | $ 28.80 | $ 28.32
Exercised (in dollars per share) | 22.49 |  |
Forfeited (in dollars per share) | 28.28 |  |
Ending balance (in dollars per share) | $ 28.08 | $ 25.21 |
2014 Incentive Plan [Member] | Common Stock [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares available for future issuance (in shares) | 1,500 |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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