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Deferred Stock Activity (Detail) (Deferred Stock Activity, USD $) | 12 Months Ended
--- | ---
Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Deferred Stock Activity |  |  |
Number of Shares |  |  |
Number of Shares, Balance at beginning of year | 378,000 | 347,000 | 360,000
Number of shares, Issued | 149,000 | 99,000 | 114,000
Number of shares, Exercised | (81,000) | (68,000) | (127,000)
Number of shares, Balance at end of year | 446,000 | 378,000 | 347,000
Outstanding vested at end of year | 269,000 | 240,000 | 192,000
Outstanding unvested at end of year | 177,000 | 138,000 | 155,000
Shares vesting during the year | 110,000 | 116,000 | 133,000
Weighted Average Fair Value |  |  |
Weighted Average Fair Value, Balance at beginning of period | $ 11.49 | $ 10.95 | $ 10.07
Weighted Average Fair Value, Initial grant | $ 20.32 | $ 13.74 | $ 12.90
Weighted Average Fair Value, Rights exercised | $ 12.91 | $ 12.01 | $ 10.20
Weighted Average Fair Value, Balance at end of period | $ 14.19 | $ 11.49 | $ 10.95
Outstanding vested at end of year | $ 11.08 | $ 10.66 | $ 10.07
Outstanding unvested at end of year | $ 18.92 | $ 12.96 | $ 12.05
Shares vesting during the year | $ 13.37 | $ 12.42 | $ 10.30

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- Definition Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Exercises In Period, Weighted Average Grant Date Fair Value + References No definition available. + Details
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- Definition Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Nonvested, Weighted Average Fair Value, Ending Balance + References No definition available. + Details
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- Definition Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested, Number + References No definition available. + Details
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- Definition Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Vested, Weighted Average Fair Value, Ending Balance + References No definition available. + 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 The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting 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 (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of non-option equity instruments exercised by participants. + 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)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Net number of non-option equity instruments granted to participants. + 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)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + 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)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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