Revenue - Schedule of Net Sales by Product Category (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 1,847.4	$ 1,783.8
Knees [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	614.3	628.7
Hips [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	447.0	432.6
S.E.T [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	417.6	380.9
Dental & Spine [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	246.0	219.5
Other [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 122.5	$ 122.1