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Balance sheet components (Tables) | 9 Months Ended
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Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of inventories, net | Inventories, net, consist of the following:
| June 30, 2018 |  | September 30, 2017
(In thousands) |
Finished goods | $ | 98,565 |  |  | $ | 104,014 |
Components | 14,846 |  |  | 9,842 |
Inventories | $ | 113,411 |  |  | $ | 113,856 |
Changes in deferred balances | Changes in deferred revenue balances as of June 30, 2018 and July 1, 2017 were as follows:
| June 30, 2018 |  | July 1, 2017
(In thousands) |  |  |
Deferred revenue, beginning of period | $ | 45,567 |  |  | $ | 36,160 |
Recognition of revenue included in beginning of period deferred revenue | (8,367 | ) |  | (5,171 | )
Revenue deferred, net of revenue recognized on contracts in the respective period | 18,594 |  |  | 11,817 |
Deferred revenue, end of period | $ | 55,794 |  |  | $ | 42,806 |

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