Revenue Recognition - Schedule of Net Sales by Product Category (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 1,975.5	$ 2,017.6
Knees [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	694.1	713.3
Hips [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	484.2	492.0
S.E.T [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	439.9	442.3
Dental [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	104.5	107.6
Spine and CMF [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	182.8	183.1
Other [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 70.0	$ 79.3