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Stock-Based Compensation - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended
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Jun. 27, 2014 | Jun. 28, 2013 | Jun. 27, 2014 | Jun. 28, 2013 | Jun. 27, 2014 Stock Options [Member] | Jun. 28, 2013 Stock Options [Member] | Jun. 27, 2014 Stock Options [Member] | Jun. 28, 2013 Stock Options [Member] | Jun. 27, 2014 Employee Stock Purchase Plan [Member] | Jun. 27, 2014 Employee Stock Purchase Plan [Member] | Aug. 14, 2013 Employee Stock Purchase Plan [Member] | Jun. 27, 2014 Restricted Stock Units Outstanding [Member] | Jun. 28, 2013 Restricted Stock Units Outstanding [Member] | Jun. 27, 2014 Restricted Stock Units Outstanding [Member] | Jun. 28, 2013 Restricted Stock Units Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected dividend yield |  |  |  |  | 0.00% | 0.00% | 0.00% | 0.00% |  | 0.00% |  |  |  |  |
Weighted-average fair value per share of options granted | $ 2.70 | $ 2.60 | $ 2.35 | $ 2.50 |  |  |  |  |  |  |  |  |  |  |
Fair value of options vested | $ 700,000 | $ 700,000 | $ 2,000,000 | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |
Total realized tax benefit | 119,000 |  | 304,000 | 0 |  |  |  |  |  |  |  |  |  |  |
Issuance of restricted stocks fair value |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 | 1,800,000 | 7,400,000 | 7,400,000
Discount percentage on purchase of stock |  |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |
Value of stock purchase rights percentage of call option |  |  |  |  |  |  |  |  | 85.00% |  |  |  |  |  |
Value of stock purchase rights percentage of put option |  |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |
Weighted-average fair value per share other than option granted |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.55 |
Increase in authorized shares for ESPP |  |  |  |  |  |  |  |  |  |  | 1,000,000 | 0 |  | 0 |
Total unamortized stock-based compensation cost related to unvested stock options and restricted stock units | $ 20,600,000 |  | $ 20,600,000 |  |  |  |  |  |  |  |  |  |  |  |
Remaining weighted-average amortization period |  |  | 1 year 10 months 2 days |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Discount percentage on purchase of stock. + References No definition available. + Details
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- Definition Value of stock purchase right percentage of call option. + References No definition available. + Details
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- Definition value of stock purchase right percentage of put option. + References No definition available. + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + 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 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 Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + 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 (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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 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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- 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 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 Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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