Ciena reported fiscal second quarter 2015 revenue of $621.6 million as compared to $560.1 million for the fiscal second quarter 2014. Net income (GAAP) was $20.7 million, or $0.17 per diluted common share, which compares to a GAAP net loss of $(10.2) million, or $(0.10) per diluted common share, for the fiscal second quarter 2014.

Some highlights:
- U.S. customers contributed 59.1% of total revenue
- One customer accounted for greater than 10% of revenue and represented 19% of total revenue
- Cash and investments totaled $816.7 million
- Cash flow from operations totaled $37.8 million
- Average days’ sales outstanding (DSOs) were 80
- Accounts receivable balance was $553.3 million
- Inventories totaled $214.6 million
- Product inventory turns were 5.3
- Headcount totaled 5,108