PARENT AND SUBSIDIARY DEBT GUARANTEES - Condensed Consolidating Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010	Dec. 31, 2009
Current Assets
Cash and cash equivalents	$ 716.0	$ 906.9	$ 1,742.8	$ 398.1	$ 398.1
Accounts and notes receivable, net	1,538.2	1,445.0
Inventories, net	1,316.6	1,270.9
Assets held for sale	133.4	1,050.2
Other current assets	394.1	416.5
Total Current Assets	4,098.3	5,089.5
Property, Plant and Equipment, net	1,333.7	1,142.6	1,061.4
Goodwill and intangible assets, net	9,955.7	9,382.1
Investment in subsidiaries	0	0
Intercompany receivables	0	0
Other Assets	456.3	334.8
Total Assets	15,844.0	15,949.0	15,139.4
Current Liabilities
Short-term borrowings	1.1	0.2
Current maturities of long-term debt	10.4	526.4
Accounts payable and accrued expenses	3,031.6	2,589.4
Liabilities held for sale	30.3	213.9
Total Current Liabilities	3,073.4	3,329.9
Long-Term Debt	3,526.5	2,925.8
Other liabilities	2,517.0	2,626.5
Intercompany payables	0	0
Accumulated other comprehensive loss	(388.0)	(349.2)	(116.3)
Other shareowners’ equity	7,055.1	7,352.8
Non-controlling interests	60.0	63.2
Total Shareowners’ Equity	6,727.1	7,066.8	7,069.7	2,011.5
Total Liabilities and Shareowners’ Equity	15,844.0	15,949.0
Parent Stanley Black & Decker, Inc.
Current Assets
Cash and cash equivalents	83.5	56.2	(5.0)	9.2
Accounts and notes receivable, net	111.5	97.8
Inventories, net	139.9	117.2
Assets held for sale	0	0
Other current assets	46.8	90.7
Total Current Assets	381.7	361.9
Property, Plant and Equipment, net	217.4	193.1
Goodwill and intangible assets, net	148.2	181.9
Investment in subsidiaries	10,530.1	10,196.8
Intercompany receivables	0	0
Other Assets	57.8	35.8
Total Assets	11,335.2	10,969.5
Current Liabilities
Short-term borrowings	0	0
Current maturities of long-term debt	5.3	523.8
Accounts payable and accrued expenses	288.6	382.3
Liabilities held for sale	0	0
Total Current Liabilities	293.9	906.1
Long-Term Debt	3,028.0	1,722.2
Other liabilities	(54.5)	(32.3)
Intercompany payables	1,400.7	1,369.9
Accumulated other comprehensive loss	(388.0)	(349.2)
Other shareowners’ equity	7,055.1	7,352.8
Non-controlling interests	0	0
Total Shareowners’ Equity	6,667.1	7,003.6
Total Liabilities and Shareowners’ Equity	11,335.2	10,969.5
The Black & Decker Corporation
Current Assets
Cash and cash equivalents	1.5	1.4	3.5	0
Accounts and notes receivable, net	0.7	0
Inventories, net	0	0
Assets held for sale	0	0
Other current assets	0	10.4
Total Current Assets	2.2	11.8
Property, Plant and Equipment, net	0	0
Goodwill and intangible assets, net	1,415.1	1,623.5
Investment in subsidiaries	2,861.9	3,978.4
Intercompany receivables	7,763.2	9,210.6
Other Assets	70.1	55.2
Total Assets	12,112.5	14,879.5
Current Liabilities
Short-term borrowings	0	0
Current maturities of long-term debt	2.8	0
Accounts payable and accrued expenses	37.7	(0.8)
Liabilities held for sale	0	0
Total Current Liabilities	40.5	(0.8)
Long-Term Debt	324.0	1,031.9
Other liabilities	619.8	167.2
Intercompany payables	9,291.8	8,502.6
Accumulated other comprehensive loss	(701.2)	(242.4)
Other shareowners’ equity	2,537.6	5,421.0
Non-controlling interests	0	0
Total Shareowners’ Equity	1,836.4	5,178.6
Total Liabilities and Shareowners’ Equity	12,112.5	14,879.5
Non-Guarantor Subsidiaries
Current Assets
Cash and cash equivalents	631.0	849.3	1,744.3	388.9
Accounts and notes receivable, net	1,426.0	1,347.2
Inventories, net	1,176.7	1,153.7
Assets held for sale	133.4	1,050.2
Other current assets	347.3	315.4
Total Current Assets	3,714.4	4,715.8
Property, Plant and Equipment, net	1,116.3	949.5
Goodwill and intangible assets, net	8,392.4	7,576.7
Investment in subsidiaries	0	0
Intercompany receivables	8,916.7	8,700.4
Other Assets	328.4	243.8
Total Assets	22,468.2	22,186.2
Current Liabilities
Short-term borrowings	1.1	0.2
Current maturities of long-term debt	2.3	2.6
Accounts payable and accrued expenses	2,705.3	2,207.9
Liabilities held for sale	30.3	213.9
Total Current Liabilities	2,739.0	2,424.6
Long-Term Debt	174.5	171.7
Other liabilities	1,951.7	2,491.6
Intercompany payables	5,987.4	8,038.5
Accumulated other comprehensive loss	(133.8)	(168.1)
Other shareowners’ equity	11,689.4	9,164.7
Non-controlling interests	60.0	63.2
Total Shareowners’ Equity	11,615.6	9,059.8
Total Liabilities and Shareowners’ Equity	22,468.2	22,186.2
Eliminations
Current Assets
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	0
Inventories, net	0	0
Assets held for sale	0	0
Other current assets	0	0
Total Current Assets	0	0
Property, Plant and Equipment, net	0	0
Goodwill and intangible assets, net	0	0
Investment in subsidiaries	(13,392.0)	(14,175.2)
Intercompany receivables	(16,679.9)	(17,911.0)
Other Assets	0	0
Total Assets	(30,071.9)	(32,086.2)
Current Liabilities
Short-term borrowings	0	0
Current maturities of long-term debt	0	0
Accounts payable and accrued expenses	0	0
Liabilities held for sale	0
Total Current Liabilities	0	0
Long-Term Debt	0	0
Other liabilities	0	0
Intercompany payables	(16,679.9)	(17,911.0)
Accumulated other comprehensive loss	835.0	410.5
Other shareowners’ equity	(14,227.0)	(14,585.7)
Non-controlling interests	0	0
Total Shareowners’ Equity	(13,392.0)	(14,175.2)
Total Liabilities and Shareowners’ Equity	$ (30,071.9)	$ (32,086.2)