| Summary of Revenue Disaggregation |
Disaggregated revenue by primary geographical market and timing of revenue recognition for the Company’s single product line are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | 2023 | | 2022 | | 2023 | | 2022 | | | | | | | | | | (In thousands) | | Primary geographical markets: | | | | | | | | | U.S. | $ | 417,582 | | | $ | 422,628 | | | $ | 890,543 | | | $ | 792,120 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | International | 293,536 | | | 107,568 | | | 546,591 | | | 179,368 | | | Total | $ | 711,118 | | | $ | 530,196 | | | $ | 1,437,134 | | | $ | 971,488 | | | | | | | | | | | Timing of revenue recognition: | | | | | | | | | Products delivered at a point in time | $ | 684,122 | | | $ | 511,865 | | | $ | 1,385,774 | | | $ | 936,014 | | | Products and services delivered over time | 26,996 | | | 18,331 | | | 51,360 | | | 35,474 | | | Total | $ | 711,118 | | | $ | 530,196 | | | $ | 1,437,134 | | | $ | 971,488 | |
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| Summary of Contract Assets and Contract Liabilities, and Changes in Balances from Contracts with Customers |
Receivables, and contract assets and contract liabilities from contracts with customers, are as follows: | | | | | | | | | | | | | June 30,
2023 | | December 31,
2022 | | | | | | (In thousands) | | Receivables | $ | 520,306 | | | $ | 440,896 | | | | | | | Short-term contract assets (Prepaid expenses and other assets) | 38,073 | | | 32,130 | | | Long-term contract assets (Other assets) | 122,982 | | | 100,991 | | | | | | | | | | | Short-term contract liabilities (Deferred revenues, current) | 109,176 | | | 90,747 | | | Long-term contract liabilities (Deferred revenues, non-current) | 354,296 | | | 281,613 | | | | | |
Significant changes in the balances of contract assets (prepaid expenses and other assets) as of June 30, 2023 are as follows (in thousands): | | | | | | | Contract Assets | | | Contract Assets, beginning of period | $ | 133,121 | | | Amount recognized | (17,658) | | | Increased due to shipments | 45,592 | | | Contract Assets, end of period | $ | 161,055 | |
Significant changes in the balances of contract liabilities (deferred revenues) as of June 30, 2023 are as follows (in thousands): | | | | | | | Contract Liabilities | | | Contract Liabilities, beginning of period | $ | 372,360 | | | Revenue recognized | (51,360) | | | | | Increased due to billings | 142,472 | | | | | Contract Liabilities, end of period | $ | 463,472 | | | | | |
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| Summary of Estimated Revenue Expected to be Recognized in Future Periods |
Estimated revenue expected to be recognized in future periods related to performance obligations that are unsatisfied or partially unsatisfied at the end of the reporting period are as follows: | | | | | | | June 30,
2023 | | (In thousands) | | Fiscal year: | | | 2023 (remaining six months) | $ | 55,492 | | | 2024 | 105,360 | | | 2025 | 97,787 | | | 2026 | 81,815 | | | 2027 | 62,174 | | | Thereafter | 60,844 | | | Total | $ | 463,472 | | | | | | | | | | | |
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