
	Three Months Ended September 30,
	2023		2022
Net revenue by segment
Sleep and Respiratory Care	$	963,037	$	844,443
Software as a Service	139,284		105,851
Total	$	1,102,321	$	950,294

Depreciation and amortization by segment
Sleep and Respiratory Care	$	20,519	$	19,767
Software as a Service	2,760		1,913
Amortization of acquired intangible assets and corporate assets	21,655		14,593
Total	$	44,934	$	36,273

Net operating profit by segment
Sleep and Respiratory Care	$	390,415	$	352,560
Software as a Service	31,258		24,441
Total	$	421,673	$	377,001

Reconciling items
Corporate costs	$	103,378	$	86,938
Amortization of acquired intangible assets	21,387		14,324

Astral field safety notification expenses (1)	7,911		—
Interest expense (income), net	14,957		7,134
Loss attributable to equity method investments	3,895		2,028
(Gain) loss on equity investments	602		3,280
Other, net	(2,648)		1,504
Income before income taxes	$	272,191	$	261,793

(1) The Astral field safety notification expenses relate to estimated costs associated with the replacement of a certain component in some of our Astral ventilation devices that were manufactured between 2013 to 2019.