Segment Information - Summary of Net Sales by Product Category (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue from External Customer [Line Items]
Net Sales	$ 1,161.5	$ 1,138.9
Knees [Member]
Revenue from External Customer [Line Items]
Net Sales	487.9	471.0
Hips [Member]
Revenue from External Customer [Line Items]
Net Sales	331.7	330.8
Extremities [Member]
Revenue from External Customer [Line Items]
Net Sales	52.1	47.8
Reconstructive [Member]
Revenue from External Customer [Line Items]
Net Sales	871.7	849.6
Dental [Member]
Revenue from External Customer [Line Items]
Net Sales	61.0	59.7
Trauma [Member]
Revenue from External Customer [Line Items]
Net Sales	79.7	82.0
Spine [Member]
Revenue from External Customer [Line Items]
Net Sales	48.3	47.7
Surgical and other [Member]
Revenue from External Customer [Line Items]
Net Sales	$ 100.8	$ 99.9