pre_text: Contractual Obligations Following is a summary of our contractual cash obligations as of February 28, 2019 (in thousands): Purchase obligations consist primarily of inventory purchase commitments.
table: Future Estimated Cash Payments Due by Period
table: Less than 1 - 3 3 - 5
table: Contractual Obligations 1 year years years > 5 years Total
table: Convertible senior notes principal $- $122,527 $- $230,000 $352,527
table: Convertible senior notes stated interest 6,591 10,196 9,200 6,900 32,887
table: Operating leases 7,565 12,628 12,325 7,659 40,177
table: Purchase obligations 39,390 - - - 39,390
table: Total contractual obligations $53,546 $145,351 $21,525 $244,559 $464,981
question: Analyse this data from a financial earnings document. How much do the top 3 contractual obligation terms add up to?