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Stockholders' Equity and Stock-Based Compensation - Textual (Details) - USD ($) |  | 2 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
May 23, 2017 | Feb. 28, 2018 | Dec. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015 | Nov. 15, 2017 | May 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares of common stock authorized |  |  | 47,000,000 | 47,000,000 |  |  |
Common stock, par value per share |  |  | $ 0.001 | $ 0.001 |  |  |
Shares of preferred stock authorized |  |  | 3,000,000 | 3,000,000 |  |  |
Preferred stock, par value per share |  |  | $ 0.001 | $ 0.001 |  |  |
Maximum amount of common stock approved to repurchase, Value |  |  |  |  |  |  | $ 20,000,000
Remaining shares available for future repurchase (in shares) |  |  | $ 23,001,000 | $ 4,400,000 | $ 4,397,000 |  |
Number of shares of common stock repurchased |  |  | 1,065,848 |  | 111,050 |  |
Weighted average price per share |  |  | $ 25.33 |  | $ 15.49 |  |
Cost of repurchase |  |  | $ 26,999,000 |  | $ 1,721,000 |  |
Number of options granted |  |  | 0 | 0 | 0 |  |
Closing stock price |  |  | $ 24.92 |  |  |  |
Intrinsic value of options exercised |  |  | $ 3,100,000 | $ 2,700,000 | $ 1,600,000 |  |
Fair value of options vested |  |  | 300,000 | 700,000 | 1,500,000 |  |
Excess tax benefit |  |  | 0 | $ 1,000,000 | $ 0 |  |
Maximum [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized compensation costs |  |  | $ 100,000 |  |  |  |
2005 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares of common stock authorized | 1,000,000 |  | 8,292,594 |  |  |  |
Share-based compensation plan, extended throguh | 2027 |  |  |  |  |  |
Employee Stock Purchase Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Maximum percentage of salary withholdings |  |  | 10.00% |  |  |  |
Purchase price of common stock, percent |  |  | 85.00% |  |  |  |
Shares remaining for issuance under the ESPP |  |  | 500,000 |  |  |  |
Shares purchased under the ESPP |  |  | 122,298 | 212,619 | 125,504 |  |
Weighted average price of shares issued (in dollars per share) |  |  | $ 21.19 | $ 14.29 | $ 13.98 |  |
Stock Options [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Weighted average remaining amortization period for unrecognized compensation costs |  |  | 1 month 6 days |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Weighted average remaining amortization period for unrecognized compensation costs |  |  | 1 year 9 months |  |  |  |
Shares per unit granted |  |  | 1.7 |  |  |  |
Granted (in shares) |  |  | 454,600 | 476,667 |  |  |
Unrecognized compensation costs |  |  | $ 12,500,000 |  |  |  |
Cancelled (in shares) |  |  | 96,494 | 54,253 |  |  |
Restricted Stock Units (RSUs) [Member] | Key Employees [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) |  |  | 454,600 | 476,667 |  |  |
Restricted Stock Units (RSUs) [Member] | Maximum [Member] | Key Employees [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Period of vesting |  |  | 3 years |  |  |  |
Restricted Stock Units (RSUs) [Member] | 2005 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) |  |  | 772,820 |  |  |  |
Cancelled (in shares) |  |  | 164,040 |  |  |  |
Performance-Based Restricted Stock Units (PSUs) [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) |  |  | 122,050 | 67,500 |  |  |
Percent of granted shares that will vest if target stock price performance is achieved |  |  | 66.70% |  |  |  |
Maximum percent of granted shares that will vest if maximum stock price performance is achieved |  |  | 100.00% |  |  |  |
Cumulative maximum number of shares expected to vest for all measurement period |  |  | 62,500 |  |  |  |
Cancelled (in shares) |  |  | 61,100 | 6,667 |  |  |
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche One [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Period of vesting |  |  | 1 year |  |  |  |
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche Two [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Period of vesting |  |  | 2 years |  |  |  |
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche Three [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Period of vesting |  |  | 3 years |  |  |  |
Performance-Based Restricted Stock Units (PSUs) [Member] | 2005 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) |  |  | 207,485 |  |  |  |
Cancelled (in shares) |  |  | 103,870 |  |  |  |
Share Repurchase Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Maximum amount of common stock approved to repurchase, Value |  |  |  |  |  | $ 50,000,000 |
Stock repurchase program, effective date |  |  | Nov. 20, 2017 |  |  |  |
Share Repurchase Plan [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock repurchase program completed month and year |  | 2018-02 |  |  |  |  |
Number of shares of common stock repurchased |  | 896,187 |  |  |  |  |
Weighted average price per share |  | $ 25.65 |  |  |  |  |
Cost of repurchase |  | $ 23,000,000 |  |  |  |  |

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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + 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 (i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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 (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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