Segment Data - Summary of Net Sales by Product Category (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue from External Customer [Line Items]
Net Sales	$ 1,240.7	$ 1,074.3	$ 1,169.5	$ 1,138.9	$ 1,180.5	$ 1,025.5	$ 1,125.0	$ 1,140.7	$ 4,623.4	$ 4,471.7	$ 4,451.8
Knees [Member]
Revenue from External Customer [Line Items]
Net Sales									1,909.9	1,833.8	1,835.9
Hips [Member]
Revenue from External Customer [Line Items]
Net Sales									1,330.5	1,342.0	1,355.6
Extremities [Member]
Revenue from External Customer [Line Items]
Net Sales									193.8	173.8	163.4
Reconstructive Implants [Member]
Revenue from External Customer [Line Items]
Net Sales									3,434.2	3,349.6	3,354.9
Dental [Member]
Revenue from External Customer [Line Items]
Net Sales									239.3	237.7	248.1
Trauma [Member]
Revenue from External Customer [Line Items]
Net Sales									315.6	307.9	285.8
Spine [Member]
Revenue from External Customer [Line Items]
Net Sales									202.3	208.9	225.0
Surgical and other [Member]
Revenue from External Customer [Line Items]
Net Sales									$ 432.0	$ 367.6	$ 338.0