Condensed Consolidating Statement of Operations and Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	2 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2012	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES		$ 2,786.7	$ 2,619.7	$ 8,253.8	$ 7,584.5
Costs and Expenses
Cost of sales		1,777.2	1,651.4	5,235.9	4,775.9
Selling, general and administrative		655.7	639.7	2,004.7	1,871.6
Other - net		77.0	89.6	248.7	201.7
Restructuring charges		53.4	14.9	114.1	49.2
Gains (Losses) on Extinguishment of Debt	45.5	45.5	0	45.5	0
Interest expense, net		34.1	26.8	97.6	83.2
Costs and Expenses, Total		2,642.9	2,422.4	7,746.5	6,981.6
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries		143.8	197.3	507.3	602.9
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries		28.8	35.1	116.7	86.0
Equity in earnings of subsidiaries		0	0	0	0
Earnings from continuing operations		115.0	162.2	390.6	516.9
Less: net loss attributable to non-controlling interests		(0.2)	0.7	(1.2)	0.4
Net earnings from continuing operations attributable to common shareowners		115.2	161.5	391.8	516.5
Net earnings from discontinued operations		0	(6.9)	0	(5.9)
Net Earnings Attributable to Common Shareowners		115.2	154.6	391.8	510.6
Total Comprehensive (Loss) Income Attributable to Common Shareowners		392.8	(105.4)	471.0	445.3
Parent Stanley Black & Decker, Inc.
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES		357.3	411.7	1,042.8	1,215.8
Costs and Expenses
Cost of sales		271.7	271.4	724.9	815.9
Selling, general and administrative		187.4	175.4	519.5	523.9
Other - net		(8.0)	8.8	(22.3)	(4.8)
Restructuring charges		2.4	3.6	3.4	6.0
Gains (Losses) on Extinguishment of Debt		9.2
Interest expense, net		24.8	18.2	63.8	53.8
Costs and Expenses, Total		487.5	477.4	1,298.5	1,394.8
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries		(130.2)	(65.7)	(255.7)	(179.0)
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries		(43.3)	(17.4)	(81.9)	(53.1)
Equity in earnings of subsidiaries		202.1	210.5	565.6	642.8
Earnings from continuing operations		115.2	162.2	391.8	516.9
Less: net loss attributable to non-controlling interests		0	0	0	0
Net earnings from continuing operations attributable to common shareowners			162.2		516.9
Net earnings from discontinued operations			(6.9)		(5.9)
Net Earnings Attributable to Common Shareowners		115.2	155.3	391.8	511.0
Total Comprehensive (Loss) Income Attributable to Common Shareowners		392.8	(105.4)	471.0	445.3
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		6.6	0.8	17.8	2.9
Other - net		(39.0)	(36.6)	(72.0)	(66.6)
Restructuring charges		0	0	0	0
Gains (Losses) on Extinguishment of Debt		36.3
Interest expense, net		9.0	11.7	32.7	38.1
Costs and Expenses, Total		12.9	(24.1)	14.8	(25.6)
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries		(12.9)	24.1	(14.8)	25.6
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries		(5.1)	8.6	(5.9)	9.2
Equity in earnings of subsidiaries		202.1	106.7	498.1	452.5
Earnings from continuing operations		194.3	122.2	489.2	468.9
Less: net loss attributable to non-controlling interests		0	0	0	0
Net earnings from continuing operations attributable to common shareowners			122.2		468.9
Net earnings from discontinued operations			0		0
Net Earnings Attributable to Common Shareowners		194.3	122.2	489.2	468.9
Total Comprehensive (Loss) Income Attributable to Common Shareowners		294.0	40.5	32.8	441.4
Non-Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES		2,518.6	2,312.5	7,486.2	6,681.9
Costs and Expenses
Cost of sales		1,576.8	1,465.5	4,731.4	4,216.1
Selling, general and administrative		479.6	482.5	1,522.2	1,401.9
Other - net		124.0	117.4	343.0	273.1
Restructuring charges		51.0	11.3	110.7	43.2
Gains (Losses) on Extinguishment of Debt		0
Interest expense, net		0.3	(3.1)	1.1	(8.7)
Costs and Expenses, Total		2,231.7	2,073.6	6,708.4	5,925.6
(Loss) earnings from continuing operations before income taxes and equity in earnings of subsidiaries		286.9	238.9	777.8	756.3
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries		77.2	43.9	204.5	129.9
Equity in earnings of subsidiaries		0	0	0	0
Earnings from continuing operations		209.7	195.0	573.3	626.4
Less: net loss attributable to non-controlling interests		(0.2)	0.7	(1.2)	0.4
Net earnings from continuing operations attributable to common shareowners			194.3		626.0
Net earnings from discontinued operations			(6.9)		(5.9)
Net Earnings Attributable to Common Shareowners		209.9	187.4	574.5	620.1
Total Comprehensive (Loss) Income Attributable to Common Shareowners		529.5	(67.4)	709.4	557.6
Eliminations
Schedule of Condensed Consolidating Statement of Operations [Line Items]
NET SALES		(89.2)	(104.5)	(275.2)	(313.2)
Costs and Expenses
Cost of sales		(71.3)	(85.5)	(220.4)	(256.1)
Selling, general and administrative		(17.9)	(19.0)	(54.8)	(57.1)
Other - net		0	0	0	0
Restructuring charges		0	0	0	0
Gains (Losses) on Extinguishment of Debt		0
Interest expense, net		0	0	0	0
Costs and Expenses, Total		(89.2)	(104.5)	(275.2)	(313.2)
(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		(404.2)	(317.2)	(1,063.7)	(1,095.3)
Earnings from continuing operations		(404.2)	(317.2)	(1,063.7)	(1,095.3)
Less: net loss attributable to non-controlling interests		0	0	0	0
Net earnings from continuing operations attributable to common shareowners			(317.2)		(1,095.3)
Net earnings from discontinued operations			6.9		5.9
Net Earnings Attributable to Common Shareowners		(404.2)	(310.3)	(1,063.7)	(1,089.4)
Total Comprehensive (Loss) Income Attributable to Common Shareowners		$ (823.5)	$ 26.9	$ (742.2)	$ (999.0)