Revenue Recognition - Schedule of Net Sales by Product Category (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 1,892.4	$ 1,836.7	$ 5,856.5	$ 5,861.9
Knees [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	651.9	627.9	2,049.5	2,044.2
Hips [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	460.2	444.8	1,423.8	1,423.7
S.E.T [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	437.7	414.6	1,322.0	1,290.7
Dental [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	94.2	92.3	305.2	306.8
Spine and CMF [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	181.3	184.9	550.0	566.2
Other [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 67.1	$ 72.2	$ 206.0	$ 230.3