Condensed Consolidating Statement of Operations and Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES	$ 2,814.2	$ 2,603.3	$ 5,467.1	$ 4,964.8
Costs and Expenses
Cost of sales	1,791.8	1,640.4	3,458.7	3,124.5
Selling, general and administrative	670.0	630.2	1,349.0	1,231.9
Other - net	91.0	59.6	171.7	112.1
Restructuring charges	23.3	21.0	60.7	34.3
Interest expense, net	32.3	26.8	63.5	56.4
Costs and Expenses, Total	2,608.4	2,378.0	5,103.6	4,559.2
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries	205.8	225.3	363.5	405.6
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	51.3	27.7	87.9	50.9
Equity in earnings of subsidiaries	0	0	0	0
Earnings from continuing operations	154.5	197.6	275.6	354.7
Less: net loss attributable to non-controlling interests	(0.3)	0	(1.0)	(0.3)
Net earnings from continuing operations attributable to common shareowners	154.8	197.6	276.6	355.0
Net earnings from discontinued operations	0	(0.3)	0	1.0
Net Earnings Attributable to Common Shareowners	154.8	197.3	276.6	356.0
Total Comprehensive (Loss) Income Attributable to Common Shareowners	(120.5)	242.4	78.2	550.7
Parent Stanley Black & Decker, Inc.
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES	347.1	428.9	685.5	804.1
Costs and Expenses
Cost of sales	232.9	290.7	453.2	544.5
Selling, general and administrative	163.7	180.6	332.1	348.5
Other - net	(1.4)	0.7	(14.3)	(13.6)
Restructuring charges	1.0	0.9	1.0	2.4
Interest expense, net	18.6	17.0	39.0	35.6
Costs and Expenses, Total	414.8	489.9	811.0	917.4
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries	(67.7)	(61.0)	(125.5)	(113.3)
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	(20.7)	(16.5)	(38.6)	(35.7)
Equity in earnings of subsidiaries	201.8	242.1	363.5	432.3
Earnings from continuing operations	154.8		276.6	354.7
Less: net loss attributable to non-controlling interests	0		0	0
Net earnings from continuing operations attributable to common shareowners		197.6		354.7
Net earnings from discontinued operations		(0.3)		1.0
Net Earnings Attributable to Common Shareowners	154.8	197.3	276.6	355.7
Total Comprehensive (Loss) Income Attributable to Common Shareowners	(120.5)	242.4	78.2	550.7
The Black & Decker Corporation
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES	0	0	0	0
Costs and Expenses
Cost of sales	0	0	0	0
Selling, general and administrative	5.1	0.6	11.2	2.1
Other - net	(15.2)	9.5	(33.0)	(30.0)
Restructuring charges	0	0	0	0
Interest expense, net	12.0	12.8	23.7	26.4
Costs and Expenses, Total	1.9	22.9	1.9	(1.5)
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries	(1.9)	(22.9)	(1.9)	1.5
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	(0.8)	(8.3)	(0.8)	0.6
Equity in earnings of subsidiaries	172.5	222.8	296.0	345.8
Earnings from continuing operations	171.4		294.9	346.7
Less: net loss attributable to non-controlling interests	0		0	0
Net earnings from continuing operations attributable to common shareowners		208.2		346.7
Net earnings from discontinued operations		0		0
Net Earnings Attributable to Common Shareowners	171.4	208.2	294.9	346.7
Total Comprehensive (Loss) Income Attributable to Common Shareowners	(370.9)	(89.1)	(261.2)	400.9
Non-Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES	2,563.1	2,301.7	4,967.6	4,396.2
Costs and Expenses
Cost of sales	1,636.5	1,454.8	3,154.6	2,773.3
Selling, general and administrative	519.6	471.2	1,042.6	923.5
Other - net	107.6	49.4	219.0	155.7
Restructuring charges	22.3	20.1	59.7	31.9
Interest expense, net	1.7	(3.0)	0.8	(5.6)
Costs and Expenses, Total	2,287.7	1,992.5	4,476.7	3,878.8
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries	275.4	309.2	490.9	517.4
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	72.8	52.5	127.3	86.0
Equity in earnings of subsidiaries	0	0	0	0
Earnings from continuing operations	202.6		363.6	431.4
Less: net loss attributable to non-controlling interests	(0.3)		(1.0)	(0.3)
Net earnings from continuing operations attributable to common shareowners		256.7		431.7
Net earnings from discontinued operations		(0.3)		1.0
Net Earnings Attributable to Common Shareowners	202.9	256.4	364.6	432.7
Total Comprehensive (Loss) Income Attributable to Common Shareowners	(90.1)	654.7	179.9	625.0
Eliminations
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES	(96.0)	(127.3)	(186.0)	(235.5)
Costs and Expenses
Cost of sales	(77.6)	(105.1)	(149.1)	(193.3)
Selling, general and administrative	(18.4)	(22.2)	(36.9)	(42.2)
Other - net	0	0	0	0
Restructuring charges	0	0	0	0
Interest expense, net	0	0	0	0
Costs and Expenses, Total	(96.0)	(127.3)	(186.0)	(235.5)
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries	0	0	0	0
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of subsidiaries	(374.3)	(464.9)	(659.5)	(778.1)
Earnings from continuing operations	(374.3)		(659.5)	(778.1)
Less: net loss attributable to non-controlling interests	0		0	0
Net earnings from continuing operations attributable to common shareowners		(464.9)		(778.1)
Net earnings from discontinued operations		0.3		(1.0)
Net Earnings Attributable to Common Shareowners	(374.3)	(464.6)	(659.5)	(779.1)
Total Comprehensive (Loss) Income Attributable to Common Shareowners	$ 461.0	$ (565.6)	$ 81.3	$ (1,025.9)