Business Combinations - Changes in Carrying Amount of Goodwill (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 10,307.2
Accumulated impairment loss, Beginning Balance	(373.0)
Goodwill, net of accumulated impairment loss, Beginning Balance	9,934.2
Purchase accounting adjustments	139.6
Currency translation	43.5
Goodwill, Ending Balance	10,349.6
Accumulated impairment loss, Ending Balance	(373.0)
Goodwill, net of accumulated impairment loss, Ending Balance	9,976.6
Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	(140.7)
Goodwill, net of accumulated impairment loss, Ending Balance	7,433.2
Americas [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	7,328.0
Goodwill, net of accumulated impairment loss, Beginning Balance	7,328.0
Purchase accounting adjustments	136.7
Currency translation	21.1
Goodwill, Ending Balance	7,434.4
Goodwill, net of accumulated impairment loss, Ending Balance	7,434.4
Americas [Member] | Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	(51.4)
EMEA [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,291.0
Goodwill, net of accumulated impairment loss, Beginning Balance	1,291.0
Purchase accounting adjustments	2.9
Currency translation	4.7
Goodwill, Ending Balance	1,288.2
Goodwill, net of accumulated impairment loss, Ending Balance	1,288.2
EMEA [Member] | Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	(10.4)
Asia Pacific [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	548.9
Goodwill, net of accumulated impairment loss, Beginning Balance	548.9
Currency translation	16.0
Goodwill, Ending Balance	503.6
Goodwill, net of accumulated impairment loss, Ending Balance	503.6
Asia Pacific [Member] | Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	(61.3)
Product Category Operating Segments [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,139.3
Accumulated impairment loss, Beginning Balance	(373.0)
Goodwill, net of accumulated impairment loss, Beginning Balance	766.3
Currency translation	1.7
Goodwill, Ending Balance	1,123.4
Accumulated impairment loss, Ending Balance	(373.0)
Goodwill, net of accumulated impairment loss, Ending Balance	750.4
Product Category Operating Segments [Member] | Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	$ (17.6)