Business Combinations - Changes in Carrying Amount of Goodwill (Detail) $ in Millions	9 Months Ended
	Sep. 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	340.9
Currency translation	74.1
Goodwill, Ending Balance	11,143.1
Accumulated impairment loss, Ending Balance	(373.0)
Goodwill, net of accumulated impairment loss, Ending Balance	10,770.1
Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	(106.2)
Goodwill, net of accumulated impairment loss, Ending Balance	7,433.2
LDR Holding Corporation [Member]
Goodwill [Line Items]
Purchase accounting adjustments	527.1
Americas [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	7,328.0
Goodwill, net of accumulated impairment loss, Beginning Balance	7,328.0
Currency translation	34.4
Goodwill, Ending Balance	7,345.5
Goodwill, net of accumulated impairment loss, Ending Balance	7,345.5
Americas [Member] | Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	(16.9)
EMEA [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,291.0
Goodwill, net of accumulated impairment loss, Beginning Balance	1,291.0
Currency translation	15.6
Goodwill, Ending Balance	1,296.2
Goodwill, net of accumulated impairment loss, Ending Balance	1,296.2
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	20.0
Goodwill, Ending Balance	507.6
Goodwill, net of accumulated impairment loss, Ending Balance	507.6
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	4.1
Goodwill, Ending Balance	1,125.8
Accumulated impairment loss, Ending Balance	(373.0)
Goodwill, net of accumulated impairment loss, Ending Balance	752.8
Product Category Operating Segments [Member] | Biomet [Member]
Goodwill [Line Items]
Purchase accounting adjustments	(17.6)
Unallocated [Member]
Goodwill [Line Items]
Purchase accounting adjustments	340.9
Goodwill, Ending Balance	868.0
Goodwill, net of accumulated impairment loss, Ending Balance	868.0
Unallocated [Member] | LDR Holding Corporation [Member]
Goodwill [Line Items]
Purchase accounting adjustments	$ 527.1