NET INCOME PER SHARE (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted net income per share

The following table shows the computation of basic and diluted net income per share for the years ended December 31, 2022, 2021 and 2020:

	Year Ended December 31,
(In thousands except per share data)	2022		2021		2020
Numerator:
Net income attributable to Innoviva stockholders, basic	$	213,921	$	265,854	$	224,402
Add: interest expense on 2023 Notes, net of tax effect		2,439		4,736		4,717
Add: interest expense on 2025 Notes, net of tax effect		4,583		—		—
Add: interest expense on 2028 Notes, net of tax effect		4,626		—		—
Net income attributable to Innoviva stockholders, diluted	$	225,569	$	270,590	$	229,119
Denominator:
Weighted-average shares used to compute basic net income    per share attributable to Innoviva stockholders		69,644		82,062		101,320
Dilutive effect of 2023 Notes		6,188		12,189		12,189
Dilutive effect of 2025 Notes		11,150		—		—
Dilutive effect of 2028 Notes		8,158		—		—
Dilutive effect of options and awards granted under equity    incentive plan and employee stock purchase plan		108		59		45
Weighted-average shares used to compute diluted net income    per share attributable to Innoviva stockholders		95,248		94,310		113,554
Net income per share attributable to Innoviva stockholders
Basic	$	3.07	$	3.24	$	2.21
Diluted	$	2.37	$	2.87	$	2.02

Schedule of anti-dilutive securities

The following common stock equivalents were not included in the computation of diluted net income per share because their effect was anti‑dilutive:

	Year Ended December 31,
(In thousands)	2022		2021		2020
Outstanding options and awards granted under equity incentive    plan and employee stock purchase plan		648		979		1,193
Outstanding stock warrant		282		—		—
Total		930		979		1,193