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v3.23.2

Revenue (Tables) | 6 Months Ended
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Jun. 30, 2023
Revenue |
Schedule of revenue by discipline | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended
​ | ​ | June 30, | ​ | June 30,
​ | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2022
​ | ​ | (in thousands)
Systems | ​ | $ | 215,174 | ​ | $ | 165,350 | ​ | $ | 410,372 | ​ | $ | 317,152
Aftermarket | ​ | ​ | 58,796 | ​ | ​ | 55,827 | ​ | ​ | 117,618 | ​ | ​ | 107,620
Total Revenue | ​ | $ | 273,970 | ​ | $ | 221,177 | ​ | $ | 527,990 | ​ | $ | 424,772
Schedule of revenue by geographic markets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended
​ | ​ | June 30, | ​ | June 30,
​ | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2022
​ | ​ | (in thousands)
North America | ​ | $ | 37,918 | ​ | $ | 34,683 | ​ | $ | 83,084 | ​ | $ | 59,596
Asia Pacific | ​ | ​ | 205,941 | ​ | ​ | 168,705 | ​ | ​ | 397,044 | ​ | ​ | 317,945
Europe | ​ | ​ | 30,111 | ​ | ​ | 17,789 | ​ | ​ | 47,862 | ​ | ​ | 47,231
Total Revenue | ​ | $ | 273,970 | ​ | $ | 221,177 | ​ | $ | 527,990 | ​ | $ | 424,772
Schedule of Contract liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ | ​ | 2023 | ​ | 2022
​ | ​ | (in thousands)
Contract liabilities | ​ | $ | 182,540 | ​ | $ | 154,777
​ | ​ | ​ | ​ | ​ | ​ | ​
Contract liabilities are reflected as deferred revenue on the consolidated balance sheet and relate to payments invoiced or received in advance of completion of performance obligations under a contract. Contract liabilities are recognized as revenue upon the fulfillment of performance obligations. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended
​ | ​ | June 30, |  | June 30,
​ | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2022
​ | ​ | (in thousands)
Balance, beginning of the period | ​ | $ | 201,725 | ​ | $ | 74,840 | ​ | $ | 154,777 | ​ | $ | 68,436
Deferral of revenue | ​ | ​ | 34,977 | ​ | ​ | 28,703 | ​ | ​ | 107,556 | ​ | ​ | 46,697
Recognition of deferred revenue | ​ | ​ | (54,162) | ​ | ​ | (31,994) | ​ | ​ | (79,793) | ​ | ​ | (43,584)
Balance, end of the period | ​ | $ | 182,540 | ​ | $ | 71,549 | ​ | $ | 182,540 | ​ | $ | 71,549

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- Definition Tabular disclosure of revenue from external customers by discipline areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References No definition available. + Details
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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph a -SubTopic 10 -Topic 280 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 + Details
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