Results of Black & Decker's Operations within each of Segments and activity since the Merger Date (Detail) (USD $) In Millions	3 Months Ended	6 Months Ended
Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Segment Reporting Information [Line Items]
Net sales	$ 2,623.2	$ 2,365.6	$ 5,003.9	$ 3,627.6
Segment profit	390.7	237.6	726.8	386.5
Corporate overhead	(57.8)	(52.8)	(117.1)	(128.3)
Other, net	(59.8)	(65.1)	(112.3)	(130.0)
Restructuring charges and asset impairments	(21.1)	(85.8)	(34.4)	(183.2)
Interest expense	(34.1)	(26.8)	(68.7)	(46.1)
Interest income	7.3	2.2	12.4	3.4
Earnings (loss) from continuing operations before income taxes	225.2	9.3	406.7	(97.7)
Construction and Do It Yourself \| Segment, Continuing Operations
Segment Reporting Information [Line Items]
Net sales	1,364.4	1,300.0	2,575.2	1,849.0
Segment profit	190.6	112.8	347.1	160.3
Industrial Segment \| Segment, Continuing Operations
Segment Reporting Information [Line Items]
Net sales	636.4	494.2	1,248.9	793.3
Segment profit	97.5	57.1	204.4	94.4
Securities Industry \| Segment, Continuing Operations
Segment Reporting Information [Line Items]
Net sales	622.4	571.4	1,179.8	985.3
Segment profit	$ 102.6	$ 67.7	$ 175.3	$ 131.8

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

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The net result for the period of deducting operating expenses from operating revenues.

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Other noninterest expenses that are not separately presented in any other noninterest expense category.

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The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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