Biomet Merger - Pro forma Financial Information Adjusted to Give Effect to the Merger (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract]
Net Sales	$ 1,762.2	$ 1,888.4	$ 5,584.1	$ 5,906.2
Net Earnings	$ 22.2	$ 106.6	$ 267.3	$ 221.5