Acquisitions - Changes in Carrying Amount of Goodwill by Reportable Segment (Detail) $ in Millions	6 Months Ended
	Jun. 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	0.8
Paragon 28 acquisition	643.1
Currency translation	114.5
Goodwill, Ending Balance	11,044.0
Accumulated impairment losses, Ending Balance	(1,334.5)
Goodwill, net of accumulated impairment losses, Ending Balance	9,709.5
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	0.8
Paragon 28 acquisition	531.6
Currency translation	101.1
Goodwill, Ending Balance	9,010.3
Accumulated impairment losses, Ending Balance	(7.7)
Goodwill, net of accumulated impairment losses, Ending Balance	9,002.6
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	42.3
Currency translation	2.1
Goodwill, Ending Balance	1,414.9
Accumulated impairment losses, Ending Balance	(1,326.8)
Goodwill, net of accumulated impairment losses, Ending Balance	88.1
Asia Pacific [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	538.3
Goodwill, net of accumulated impairment losses, Beginning Balance	538.3
Paragon 28 acquisition	69.2
Currency translation	11.3
Goodwill, Ending Balance	618.8
Goodwill, net of accumulated impairment losses, Ending Balance	$ 618.8