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Earnings per Share (EPS)
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Earnings per Share (EPS) Earnings per Share (EPS)
Three Months Ended September 30,Nine Months Ended September 30,
2021202020212020
Numerator:    
Income (loss) from continuing operations$8,495 $10,773 $1,716 $(208,071)
Income (loss) from discontinued operations, net of tax572 616 (4,334)7,648 
Net income (loss)$9,067 $11,389 $(2,618)$(200,423)
Denominator:    
Weighted-average shares used in basic EPS174,399 171,828 173,691 171,388 
Dilutive effect of common stock equivalents (1)
5,010 2,876 5,258 — 
Weighted-average shares used in diluted EPS179,409 174,704 178,949 171,388 
Basic earnings (loss) per share (2):
    
Continuing operations$0.05 $0.06 $0.01 $(1.21)
Discontinued operations — (0.02)0.04 
Net income (loss)$0.05 $0.07 $(0.02)$(1.17)
Diluted earnings (loss) per share (2):
Continuing operations$0.05 $0.06 $0.01 $(1.21)
Discontinued operations — (0.02)0.04 
Net income (loss)$0.05 $0.07 $(0.02)$(1.17)
Common stock equivalents excluded from calculation of diluted earnings per share because their impact would be anti-dilutive:
6,529 14,828 6,529 15,855 
(1)     Due to the net loss for the nine months ended September 30, 2020, common stock equivalents of 1,604 were also excluded from the calculation of diluted earnings per share as the impact would have been anti-dilutive.
(2)     The sum of the earnings per share amounts may not equal the totals due to rounding.