Revenue - Schedule of Net Sales by Product Category (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 1,226.1	$ 1,988.6	$ 3,009.9	$ 3,964.1
Knees [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	374.2	703.5	1,004.0	1,397.6
Hips [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	329.7	478.5	762.3	961.9
S.E.T [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	252.6	357.0	586.2	713.8
Dental, Spine & CMFT [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	182.5	292.4	434.2	579.7
Other [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Net Sales	$ 87.1	$ 157.2	$ 223.2	$ 311.1