Attached files
| file | filename |
|---|---|
| EX-31.2 - EX-31.2 - CIENA CORP | w80261exv31w2.htm |
| EX-31.1 - EX-31.1 - CIENA CORP | w80261exv31w1.htm |
| EX-32.1 - EX-32.1 - CIENA CORP | w80261exv32w1.htm |
| EX-21.1 - EX-21.1 - CIENA CORP | w80261exv21w1.htm |
| EX-23.1 - EX-23.1 - CIENA CORP | w80261exv23w1.htm |
| EX-32.2 - EX-32.2 - CIENA CORP | w80261exv32w2.htm |
| EX-10.11 - EX-10.11 - CIENA CORP | w80261exv10w11.htm |
| EX-10.24 - EX-10.24 - CIENA CORP | w80261exv10w24.htm |
| EX-10.23 - EX-10.23 - CIENA CORP | w80261exv10w23.htm |
| EXCEL - IDEA: XBRL DOCUMENT - CIENA CORP | Financial_Report.xls |
| 10-K - FORM 10-K - CIENA CORP | w80261e10vk.htm |
EXHIBIT 12.1
Statement of Computation of Ratio of Earnings to Fixed Charges
| Year Ended October 31, | ||||||||||||
| 2008 | 2009 | 2010 | ||||||||||
Pre-tax income (loss) from continuing operations |
$ | 41,539 | $ | (582,478 | ) | $ | (331,573 | ) | ||||
Fixed charges: |
||||||||||||
Interest expense |
12,927 | 7,406 | 18,619 | |||||||||
Portion of rental expense representative of interest factor |
4,104 | 4,111 | 7,324 | |||||||||
Total fixed charges |
17,031 | 11,517 | 25,943 | |||||||||
Pre-tax income (loss) from continuing operations plus fixed charges |
$ | 58,570 | $ | (570,961 | ) | $ | (305,630 | ) | ||||
Ratio of earnings (loss) to fixed charges |
3.44 | — | (1) | — | (1) | |||||||
| (1) | Pre-tax losses from continuing operations plus fixed charges were inadequate to cover total fixed charges. |