Condensed Consolidating Statement of Operations (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 2,623.2	$ 2,365.6	$ 5,003.9	$ 3,627.6
COSTS AND EXPENSES
Cost of sales	1,655.8	1,596.6	3,154.0	2,402.7
Selling, general and administrative	634.5	584.2	1,240.2	966.7
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, net	26.8	24.6	56.3	42.7
Costs and Expenses, Total	2,398.0	2,356.3	4,597.2	3,725.3
Earnings (loss) from continuing operations before income taxes	225.2	9.3	406.7	(97.7)
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	27.9	(37.0)	51.0	(35.5)
Net earnings (loss) from continuing operations	197.3	46.3	355.7	(62.2)
Less: Net (loss) attributable to non-controlling interests		0.5	(0.3)	0.6
NET EARNINGS (LOSS) ATTRIBUTABLE TO STANLEY BLACK & DECKER, INC.	197.3	45.8	356.0	(62.8)
Parent Stanley Black & Decker, Inc.
Condensed Financial Statements, Captions [Line Items]
Net sales	428.9	407.7	804.1	765.1
COSTS AND EXPENSES
Cost of sales	290.7	268.8	544.5	506.9
Selling, general and administrative	180.6	135.7	348.5	285.9
Other, net	0.7	14.4	(13.6)	45.0
Restructuring charges and asset impairments	0.9	54.8	2.4	55.0
Interest expense, net	17.0	10.8	35.6	23.8
Costs and Expenses, Total	489.9	484.5	917.4	916.6
Earnings (loss) from continuing operations before income taxes	(61.0)	(76.8)	(113.3)	(151.5)
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	(16.5)	(18.6)	(35.7)	(38.4)
Equity in earnings of subsidiaries	241.8	104.5	433.3	50.9
Net earnings (loss) from continuing operations	197.3	46.3	355.7	(62.2)
NET EARNINGS (LOSS) ATTRIBUTABLE TO STANLEY BLACK & DECKER, INC.	197.3	46.3	355.7	(62.2)
The Black & Decker Corporation
COSTS AND EXPENSES
Selling, general and administrative	0.6	31.2	2.1	44.9
Other, net	9.5	(39.8)	(30.0)	(53.9)
Restructuring charges and asset impairments		2.7		90.2
Interest expense, net	12.8	11.4	26.4	14.4
Costs and Expenses, Total	22.9	5.5	(1.5)	95.6
Earnings (loss) from continuing operations before income taxes	(22.9)	(5.5)	1.5	(95.6)
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	(8.3)	(0.9)	0.6	(9.5)
Equity in earnings of subsidiaries	222.8	52.6	345.8	41.5
Net earnings (loss) from continuing operations	208.2	48.0	346.7	(44.6)
NET EARNINGS (LOSS) ATTRIBUTABLE TO STANLEY BLACK & DECKER, INC.	208.2	48.0	346.7	(44.6)
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	2,321.6	2,060.2	4,435.3	3,054.0
COSTS AND EXPENSES
Cost of sales	1,470.2	1,410.8	2,802.8	2,049.9
Selling, general and administrative	475.5	436.6	931.8	673.3
Other, net	49.6	90.5	155.9	138.9
Restructuring charges and asset impairments	20.2	28.3	32.0	38.0
Interest expense, net	(3.0)	2.4	(5.7)	4.5
Costs and Expenses, Total	2,012.5	1,968.6	3,916.8	2,904.6
Earnings (loss) from continuing operations before income taxes	309.1	91.6	518.5	149.4
Income taxes (benefit) on continuing operations before equity in earnings of subsidiaries	52.7	(17.5)	86.1	12.4
Net earnings (loss) from continuing operations	256.4	109.1	432.4	137.0
Less: Net (loss) attributable to non-controlling interests		0.5	(0.3)	0.6
NET EARNINGS (LOSS) ATTRIBUTABLE TO STANLEY BLACK & DECKER, INC.	256.4	108.6	432.7	136.4
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(127.3)	(102.3)	(235.5)	(191.5)
COSTS AND EXPENSES
Cost of sales	(105.1)	(83.0)	(193.3)	(154.1)
Selling, general and administrative	(22.2)	(19.3)	(42.2)	(37.4)
Costs and Expenses, Total	(127.3)	(102.3)	(235.5)	(191.5)
Equity in earnings of subsidiaries	(464.6)	(157.1)	(779.1)	(92.4)
Net earnings (loss) from continuing operations	(464.6)	(157.1)	(779.1)	(92.4)
NET EARNINGS (LOSS) ATTRIBUTABLE TO STANLEY BLACK & DECKER, INC.	$ (464.6)	$ (157.1)	$ (779.1)	$ (92.4)