BUSINESS SEGMENTS AND GEOGRAPHIC AREAS - Disaggregation of Net Sales (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Segment Reporting Information [Line Items]
Net Sales	[1]	$ 4,263.2	$ 3,850.2	$ 12,761.2	$ 10,127.0
Industrial
Segment Reporting Information [Line Items]
Net Sales		593.5	586.6	1,853.4	1,694.8
Engineered Fastening | Industrial
Segment Reporting Information [Line Items]
Net Sales		435.7	436.0	1,389.0	1,212.4
Infrastructure | Industrial
Segment Reporting Information [Line Items]
Net Sales		$ 157.8	$ 150.6	$ 464.4	$ 482.4

[1] See Note A, Significant Accounting Policies - Restatement, for discussion regarding the impacts of the Restatement.