Revenue

3 Months Ended

Mar. 31, 2023

Revenue Recognition [Abstract]

Revenue

4. Revenue

Net sales by geography are as follows (in millions):

	Three Months Ended
	March 31,
	2023		2022
United States	$	1,060.4	$	941.2
International		770.6		722.0
Total	$	1,831.0	$	1,663.2

Net sales by product category are as follows (in millions):

	Three Months Ended
	March 31,
	2023		2022
Knees	$	762.5	$	662.8
Hips		492.8		451.0
S.E.T.		433.4		416.8
Other		142.3		132.6
Total	$	1,831.0	$	1,663.2

S.E.T. includes sales from our Sports Medicine, Extremities, Trauma, Craniomaxillofacial and Thoracic ("CMFT") product categories. Other includes sales from our Technology, Surgical and Bone Cement product categories.

This net sales presentation differs from our reportable operating segments, which are based upon our senior management organizational structure and how we allocate resources toward achieving operating profit goals. Each of our reportable operating segments sells all the product categories noted above. Accordingly, the only difference from the presentation above and our reportable operating segments are the geographic groupings.