CAPITAL STOCK - Assumptions used in Valuation of Pre-merger Black and Decker Stock Options (Detail) (Stock options, USD $)
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12 Months Ended | ||
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Dec. 29, 2012
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Dec. 31, 2011
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Jan. 01, 2011
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Average expected volatility | 35.60% | 38.40% | 31.40% |
Dividend yield | 2.80% | 2.50% | 2.20% |
Risk-free interest rate | 0.80% | 1.10% | 2.70% |
Expected term | 5 years 6 months | 5 years 6 months | 6 years 3 months |
Fair value per option | $ 17.47 | $ 18.29 | $ 16.68 |
The Black & Decker Corporation
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Average expected volatility | 32.00% | ||
Dividend yield | 0.70% | ||
Risk-free interest rate | 1.40% | ||
Expected term | 2 years 10 months 24 days | ||
Fair value per option | $ 18.72 |