XML 33 R21.htm IDEA: XBRL DOCUMENT v3.25.1
EARNINGS (LOSS) PER SHARE CALCULATION
 6 Months Ended
May 03, 2025
Earnings Per Share [Abstract]  
EARNINGS (LOSS) PER SHARE CALCULATION EARNINGS (LOSS) PER SHARE CALCULATION
Basic net income (loss) per common share (“Basic EPS”) is computed using the weighted average number of common shares outstanding. Diluted net income (loss) per potential common share (“Diluted EPS”) is computed using the weighted average number of the following, in each case, to the extent that the effect is not anti-dilutive: (i) common shares outstanding; (ii) shares issuable upon vesting of stock unit awards; and (iii) shares issuable under Ciena’s employee stock purchase plan, using the treasury stock method.
The following table presents the calculation of Basic EPS and Diluted EPS for the periods indicated (in thousands, except per share amounts):
Quarter EndedSix Months Ended
 May 3,April 27,May 3,April 27,
2025202420252024
Net income (loss)$8,969 $(16,849)$53,541 $32,698 
Basic weighted average shares outstanding142,503 144,914 142,704 145,104 
Effect of dilutive potential common shares2,469 — 2,766 955 
Diluted weighted average shares144,972 144,914 145,470 146,059 
Basic EPS$0.06 $(0.12)$0.38 $0.23 
Diluted EPS$0.06 $(0.12)$0.37 $0.22 
Antidilutive employee share-based awards, excluded1,630 2,030 1,310 1,584