Acquisitions - Changes in Carrying Amount of Goodwill by Reportable Segment (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 10,285.6
Accumulated impairment losses, Beginning Balance	(1,334.5)
Goodwill, net of accumulated impairment losses, Beginning Balance	8,951.1
Purchase accounting adjustments related to 2024 acquisitions	1.2
Paragon 28 acquisition	635.6
Currency translation	114.1
Goodwill, Ending Balance	11,036.5
Accumulated impairment losses, Ending Balance	(1,334.5)
Goodwill, net of accumulated impairment losses, Ending Balance	9,702.0
Americas [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	8,376.8
Accumulated impairment losses, Beginning Balance	(7.7)
Goodwill, net of accumulated impairment losses, Beginning Balance	8,369.1
Purchase accounting adjustments related to 2024 acquisitions	1.2
Paragon 28 acquisition	529.3
Currency translation	101.6
Goodwill, Ending Balance	9,008.9
Accumulated impairment losses, Ending Balance	(7.7)
Goodwill, net of accumulated impairment losses, Ending Balance	9,001.2
EMEA [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,370.5
Accumulated impairment losses, Beginning Balance	(1,326.8)
Goodwill, net of accumulated impairment losses, Beginning Balance	43.7
Paragon 28 acquisition	32.1
Currency translation	1.8
Goodwill, Ending Balance	1,404.4
Accumulated impairment losses, Ending Balance	(1,326.8)
Goodwill, net of accumulated impairment losses, Ending Balance	77.6
Asia Pacific [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	538.3
Goodwill, net of accumulated impairment losses, Beginning Balance	538.3
Paragon 28 acquisition	74.2
Currency translation	10.7
Goodwill, Ending Balance	623.2
Goodwill, net of accumulated impairment losses, Ending Balance	$ 623.2