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Stockholders' Equity and Share-Based Compensation - Additional Information 2 (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended |  |  | 0 Months Ended |  | 6 Months Ended | 0 Months Ended | 6 Months Ended | 0 Months Ended | 6 Months Ended
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Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 Minimum [Member] | Jun. 28, 2014 Maximum [Member] | Jun. 28, 2014 Restricted stock units [Member] | Jun. 28, 2014 Restricted stock units [Member] | Apr. 03, 2014 Restricted stock units [Member] | Feb. 14, 2014 Restricted stock units [Member] | Feb. 14, 2014 Restricted stock units [Member] Minimum [Member] | Feb. 14, 2014 Restricted stock units [Member] Maximum [Member] | Jun. 28, 2014 2006 Equity Incentive Plan [Member] | Jun. 28, 2014 2007 Omnibus Plan [Member] | Jun. 28, 2014 2007 Omnibus Plan [Member] Minimum [Member] | Jun. 28, 2014 2007 Omnibus Plan [Member] Maximum [Member] | Apr. 03, 2014 2007 Omnibus Plan [Member] Restricted stock units [Member] | Feb. 14, 2014 2007 Omnibus Plan [Member] Restricted stock units [Member] | Jun. 28, 2014 2007 Omnibus Plan [Member] Restricted stock units [Member] | Feb. 14, 2014 2007 Omnibus Plan [Member] Time-based RSUs [Member] | Feb. 14, 2014 2007 Omnibus Plan [Member] Performance-based RSUs [Member] | Jun. 28, 2014 2007 New Employee Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock authorized |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,400 |  |  |  |  |  |  |  | 2,000
Maximum number of shares authorized to issued under condition one |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,500 |  |  |  |  |  |  |  |
Maximum percentage of shares authorized to issued under condition one |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |
Expiration period |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  | 10 years
Option grant vesting period |  |  |  |  | 3 years | 4 years |  |  |  |  |  |  |  | 4 years | 1 year | 2 years |  |  |  |  |  | 4 years
Exercise price of option grants |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  | 100.00%
Shares available for future grants |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 957 |  |  |  |  |  |  |  | 1,552
Weighted-average fair value of options granted |  |  | $ 1.33 | $ 0.80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intrinsic value of the exercised options | $ 126 | $ 4 | $ 126 | $ 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized share-based compensation expense | 2,109 |  | 2,109 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average period of unrecognized share-based compensation expense |  |  | 3 years 1 month 28 days |  |  |  |  | 1 year 1 month 6 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
RSUs granted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 310 | 699 | 1,009 | 732 | 277 |
RSUS per share |  |  |  |  |  |  |  |  | $ 2.93 | $ 2.03 |  |  |  |  |  |  |  |  |  |  |  |
Compensation expense, requisite service period |  |  |  |  |  |  |  |  |  |  | 1 year | 2 years |  |  |  |  |  |  |  |  |  |
Compensation expense | 629 | 341 | 1,005 | 750 |  |  | 388 | 545 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation expense |  |  |  |  |  |  | $ 1,674 | $ 1,674 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Maximum number of shares authorized to issued under condition one. + References No definition available. + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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=6415400&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References No definition available. + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&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=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Price of a single share of a number of saleable stocks of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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