CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Income Statement [Abstract]
Net Sales	$ 3,931.8	$ 4,448.0
Costs and Expenses
Cost of sales	3,096.3	3,142.6
Selling, general and administrative	823.0	949.2
Provision for credit losses	2.1	11.1
Other, net	63.7	62.0
Loss on sales of businesses	7.6	0.0
Restructuring charges	12.1	52.7
Interest income	(39.8)	(2.8)
Interest expense	130.9	54.7
Costs and Expenses	4,095.9	4,269.5
(Loss) earnings from continuing operations before income taxes	(164.1)	178.5
Income taxes on continuing operations	23.7	22.9
Net (loss) earnings from continuing operations	(187.8)	155.6
Less: Net earnings attributable to non-controlling interests	0.0	0.1
Net (Loss) Earnings from Continuing Operations Attributable to Common Shareowners	(187.8)	155.5
Add: Contract adjustment payments accretion	0.0	0.3
Net (Loss) Earnings from Continuing Operations Attributable to Common Shareowners - Diluted	(187.8)	155.8
Earnings from discontinued operations before income taxes	0.0	22.2
Income taxes on discontinued operations	0.0	2.4
Net earnings from discontinued operations	0.0	19.8
Net (Loss) Earnings Attributable to Common Shareowners - Diluted	(187.8)	175.6
Net (Loss) Earnings Attributable to Stanley Black & Decker, Inc.	(187.8)	175.3
Total Comprehensive (Loss) Income Attributable to Common Shareowners	$ (135.0)	$ 147.6
Basic (loss) earnings per share of common stock:
Continuing operations (in dollars per share)	$ (1.26)	$ 1.00
Discontinued operations (in dollars per share)	0	0.13
Total basic earnings per share of common share (in dollars per share)	(1.26)	1.13
Diluted (loss) earnings per share of common stock:
Continuing operations (in dollars per share)	(1.26)	0.94
Discontinued operations (in dollars per share)	0	0.12
Total diluted earnings per share of common stock (in dollars per share)	$ (1.26)	$ 1.06