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Revenues | 12 Months Ended
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Dec. 31, 2019
Revenue from Contract with Customer [Abstract] |
Revenues | Revenues Disaggregation of Revenues The following table summarizes the Company’s product revenues disaggregated by revenue type for the years ended December 31, 2019, 2018, and 2017:
| Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (In thousands) |  |  |  |  |
Hardware and software | $ | 553,039 |  |  |  | $ | 464,500 |  |  |  | $ | 406,095 |
Consumables | 88,876 |  |  |  | 89,529 |  |  |  | 88,100 |
Other | 17,687 |  |  |  | 15,566 |  |  |  | 16,006 |
Total product revenues | $ | 659,602 |  |  |  | $ | 569,595 |  |  |  | $ | 510,201 |
The following table summarizes the Company’s revenues disaggregated by geographic region, which is determined based on customer location, for the years ended December 31, 2019, 2018, and 2017:
| Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (In thousands) |  |  |  |
United States | $ | 806,900 |  |  | $ | 685,881 |  |  | $ | 613,817 |
Rest of world (1) | 90,127 |  |  | 101,428 |  |  | 98,897 |
Total revenues | $ | 897,027 |  |  | $ | 787,309 |  |  | $ | 712,714 |
_________________________________________________ (1) No individual country represented more than 10% of total revenues. Contract Assets and Contract Liabilities The following table reflects the Company’s contract assets and contract liabilities:
| December 31, |  |
| 2019 |  | 2018
| (In thousands) |  |
Short-term unbilled receivables (1) | $ | 11,707 |  |  | $ | 9,191 |
Long-term unbilled receivables (2) | 12,260 |  |  | 16,481 |
Total contract assets |  | $ | 23,967 |  |  | $ | 25,672 |
Short-term deferred revenues, net | $ | 90,894 |  |  | $ | 81,835 |
Long-term deferred revenues | 7,083 |  |  | 10,582 |
Total contract liabilities |  | $ | 97,977 |  |  | $ | 92,417 |
_________________________________________________ (1) Included in accounts receivable and unbilled receivables in the Consolidated Balance Sheets. (2) Included in other long-term assets in the Consolidated Balance Sheets. Short-term deferred revenues of $90.9 million and $81.8 million include deferred revenues from product sales and service contracts, net of deferred cost of sales of $13.1 million and $11.1 million, as of December 31, 2019 and 2018, respectively. The short-term deferred revenues from product sales relate to delivered and invoiced products, pending installation and acceptance, expected to occur within the next twelve months. During the year ended December 31, 2019, the Company recognized revenues of $80.4 million that were included in the corresponding gross short-term deferred revenue balance of $92.9 million as of December 31, 2018. Long-term deferred revenues include deferred revenues from service contracts of $7.1 million and $10.6 million as of December 31, 2019 and 2018, respectively. Remaining performance obligations primarily relate to maintenance contracts and are recognized ratably over the remaining term of the contract, generally not more than five years. Significant Customers There were no customers that accounted for more than 10% of the Company’s total revenues for the years ended December 31, 2019, 2018, and 2017. Also, there were no customers that accounted for more than 10% of the Company’s accounts receivable balance as of December 31, 2019 and 2018.

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- References No definition available. + Details
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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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