Revenue - Schedule of Net Sales by Product Category (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 1,924.0	$ 1,929.3	$ 5,798.3	$ 4,939.2
Knees [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	647.9	648.5	1,927.8	1,652.2
Hips [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	453.8	484.1	1,375.4	1,246.4
S.E.T [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	437.6	417.1	1,317.3	1,090.7
Dental & Spine [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	238.6	253.4	748.1	625.2
Other [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 146.1	$ 126.2	$ 429.7	$ 324.7