Biomet Merger - Pro forma Financial Information Adjusted to Give Effect to the Merger (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract]
Net Sales	$ 1,892.3	$ 2,016.6	$ 3,834.1	$ 4,017.8
Net Earnings	$ 46.0	$ 194.9	$ 268.0	$ 139.1