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Balance Sheet Components (Tables) | 3 Months Ended
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Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Condensed Balance Sheet | Balance sheet details as of March 31, 2018 and December 31, 2017 are presented in the tables below:
| March 31, 2018 |  | December 31, 2017
| (In thousands)
Inventories: |  |  |
Raw materials | $ | 25,103 |  |  | $ | 22,750 |
Work in process | 9,959 |  |  | 9,818 |
Finished goods and service parts | 66,806 |  |  | 63,569 |
Total inventories | $ | 101,868 |  |  | $ | 96,137 |
Property and equipment: |  |  |
Equipment | $ | 72,122 |  |  | $ | 69,550 |
Furniture and fixtures | 6,750 |  |  | 6,534 |
Leasehold improvements | 14,540 |  |  | 10,976 |
Software | 38,840 |  |  | 37,168 |
Construction in progress | 11,334 |  |  | 9,813 |
Property and equipment, gross | 143,586 |  |  | 134,041 |
Accumulated depreciation and amortization | (95,296 | ) |  | (91,446 | )
Total property and equipment, net | $ | 48,290 |  |  | $ | 42,595 |
Other long term assets: |  |  |
Capitalized software, net | $ | 41,146 |  |  | $ | 38,599 |
Unbilled receivable | 10,877 |  |  | 9,475 |
Other assets | 1,469 |  |  | 1,242 |
Total other long term assets, net | $ | 53,492 |  |  | $ | 49,316 |
| March 31, 2018 |  | December 31, 2017
Accrued liabilities: |  |  |
Advance payments from customers | $ | 6,879 |  |  | $ | 7,779 |
Rebates and lease buyouts | 5,342 |  |  | 5,428 |
Group purchasing organization fees | 3,439 |  |  | 3,449 |
Taxes payable | 12,135 |  |  | 9,183 |
Other accrued liabilities | 12,724 |  |  | 9,854 |
Total accrued liabilities | $ | 40,519 |  |  | $ | 35,693 |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table summarizes the changes in accumulated balances of other comprehensive income (loss) for the three months ended March 31, 2018 and 2017:
| Three months ended March 31,
| 2018 |  | 2017
| Foreign currency translation adjustments |  | Unrealized gain (loss) on interest rate swap hedges |  | Total |  | Foreign currency translation adjustments |  | Unrealized gain (loss) on interest rate swap hedges |  | Total
| (In thousands)
Beginning balance | $ | (6,954 | ) |  | $ | 841 |  |  | $ | (6,113 | ) |  | $ | (10,764 | ) |  | $ | 1,245 |  |  | $ | (9,519 | )
Other comprehensive income (loss) before reclassifications | 2,472 |  |  | 401 |  |  | 2,873 |  |  | 923 |  |  | 176 |  |  | 1,099 |
Amounts reclassified from other comprehensive income (loss), net of tax |  |  | (199 | ) |  | (199 | ) |  | — |  |  | 6 |  |  | 6 |
Net current-period other comprehensive income (loss), net of tax | 2,472 |  |  | 202 |  |  | 2,674 |  |  | 923 |  |  | 182 |  |  | 1,105 |
Ending balance | $ | (4,482 | ) |  | $ | 1,043 |  |  | $ | (3,439 | ) |  | $ | (9,841 | ) |  | $ | 1,427 |  |  | $ | (8,414 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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