Business Segments - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Segment Reporting Information [Line Items]
Net Sales	$ 3,633,100,000	$ 3,494,800,000	$ 10,728,000,000.0	$ 10,347,700,000
Decrease in segment profit due to non-cash inventory step-up amortization	533,500,000	492,000,000.0	1,482,900,000	1,451,600,000
Deferred Revenue, Revenue Recognized			81,200,000	76,500,000
Continuing Operations [Member] | Tools & Storage [Member]
Segment Reporting Information [Line Items]
Net Sales	2,534,000,000.0	2,448,000,000.0	7,452,300,000	7,231,600,000
Decrease in segment profit due to non-cash inventory step-up amortization	410,100,000	356,200,000	1,115,900,000	1,056,200,000
Continuing Operations [Member] | Securities Industry
Segment Reporting Information [Line Items]
Net Sales	466,400,000	484,800,000	1,438,100,000	1,476,800,000
Decrease in segment profit due to non-cash inventory step-up amortization	33,100,000	47,400,000	110,600,000	141,000,000.0
Deferred Revenue, Revenue Recognized	0.469	0.452	0.457	0.458
Continuing Operations [Member] | Industrial Segment
Segment Reporting Information [Line Items]
Net Sales	632,700,000	562,000,000.0	1,837,600,000	1,639,300,000
Decrease in segment profit due to non-cash inventory step-up amortization	90,300,000	88,400,000	256,400,000	254,400,000
Deferred Revenue, Revenue Recognized	$ 0.126	$ 0.123	$ 0.109	$ 0.112