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Stock-Based Compensation (Performance-Contingent Return on Invested Capital Shares) - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 9 Months Ended
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Oct. 04, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation cost related to nonvested restricted stock granted by the EPIP | $ 6.2
Expected weighted-average period to recognize compensation cost (years) | 1 year 1 month 6 days
Return On Invested Capital |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout | 0.00%
Return On Invested Capital | Range One |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout, ROIC above WACC | 1.75%
Return On Invested Capital | Range Two |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout, ROIC above WACC | 3.75%
Return On Invested Capital | Range Three |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout, ROIC above WACC | 4.75%
Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Return on investment target over the two fiscal years immediately preceding the vesting date | 1.75%
Percentage of shares that can be earned | 0.00%
Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Return on investment target over the two fiscal years immediately preceding the vesting date | 4.75%
Percentage of shares that can be earned | 125.00%
Weighted Average Cost of Capital |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout | 1.75%
Weighted Average Cost of Capital | Range One |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout, ROIC above WACC | 50.00%
Weighted Average Cost of Capital | Range Two |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout, ROIC above WACC | 100.00%
Weighted Average Cost of Capital | Range Three |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of payout, ROIC above WACC | 125.00%
2012 awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of actual ROI attainment | 125.00%
Performance Contingent Total Shareholder Return Shares | Performance contingent Awards 2012 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period | 2 years
Performance Contingent Return On Invested Capital Shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation cost related to nonvested restricted stock granted by the EPIP | $ 5.9
Expected weighted-average period to recognize compensation cost (years) | 1 year 1 month 6 days

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- Definition Range of Percentage Of Target Incentive Required Payout + References No definition available. + Details
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- Definition Vesting period for return on invested capital awards issued after 2012. + 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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