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Stock-Based Compensation - Stock Options Outstanding (Detail) - $ / shares shares in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Jul. 15, 2022 | Dec. 31, 2021
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Options Outstanding at 12/31/22 | 3,148 |  | 1,721
Options Exercisable at 12/31/22 | 1,711 |  |
Weighted Average Exercise Price, Options exercisable | $ 15.95 |  |
ADVA Optical Networking SE [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Options Outstanding at 12/31/22 | 81 | 2,745 |
Options Exercisable at 12/31/22 | 27 |  |
Weighted Average Exercise Price, Options exercisable | $ 7.37 |  |
$6.06 - 8.67 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 6.06 |  |
Upper Range Limit | $ 8.67 |  |
Options Outstanding at 12/31/22 | 755 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 3 years 2 months 15 days |  |
Weighted Average Exercise Price, Options Outstanding | $ 7.37 |  |
Options Exercisable at 12/31/22 | 320 |  |
Weighted Average Exercise Price, Options exercisable | $ 6.47 |  |
$8.68 - 13.74 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 8.68 |  |
Upper Range Limit | $ 13.74 |  |
Options Outstanding at 12/31/22 | 833 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 4 years 7 months 24 days |  |
Weighted Average Exercise Price, Options Outstanding | $ 11.45 |  |
Options Exercisable at 12/31/22 | 207 |  |
Weighted Average Exercise Price, Options exercisable | $ 9.63 |  |
$13.75 - 17.15 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 13.75 |  |
Upper Range Limit | $ 17.15 |  |
Options Outstanding at 12/31/22 | 427 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 3 years 3 months 7 days |  |
Weighted Average Exercise Price, Options Outstanding | $ 15.33 |  |
Options Exercisable at 12/31/22 | 368 |  |
Weighted Average Exercise Price, Options exercisable | $ 15.33 |  |
$17.16 - $121.36 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 17.16 |  |
Upper Range Limit | $ 21.36 |  |
Options Outstanding at 12/31/22 | 679 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 3 years 11 months 1 day |  |
Weighted Average Exercise Price, Options Outstanding | $ 19.02 |  |
Options Exercisable at 12/31/22 | 369 |  |
Weighted Average Exercise Price, Options exercisable | $ 18.97 |  |
$21.37 - $23.64 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 21.37 |  |
Upper Range Limit | $ 23.64 |  |
Options Outstanding at 12/31/22 | 454 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 9 months 29 days |  |
Weighted Average Exercise Price, Options Outstanding | $ 23.64 |  |
Options Exercisable at 12/31/22 | 447 |  |
Weighted Average Exercise Price, Options exercisable | $ 23.64 |  |
Euro 4.98 - Euro 7.05 [Member] | ADVA Optical Networking SE [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 4.98 |  |
Upper Range Limit | $ 7.05 |  |
Options Outstanding at 12/31/22 | 35 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 3 years 6 months 7 days |  |
Weighted Average Exercise Price, Options Outstanding | $ 6.97 |  |
Options Exercisable at 12/31/22 | 9 |  |
Weighted Average Exercise Price, Options exercisable | $ 5.34 |  |
Euro 7.06 - Euro 8.70 [Member] | ADVA Optical Networking SE [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 7.06 |  |
Upper Range Limit | $ 8.7 |  |
Options Outstanding at 12/31/22 | 18 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 2 years 7 months 6 days |  |
Weighted Average Exercise Price, Options Outstanding | $ 8.41 |  |
Options Exercisable at 12/31/22 | 18 |  |
Weighted Average Exercise Price, Options exercisable | $ 8.41 |  |
Euro 8.71 - Euro 15.68 [Member] | ADVA Optical Networking SE [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Lower Range Limit | 8.71 |  |
Upper Range Limit | $ 15.68 |  |
Options Outstanding at 12/31/22 | 28 |  |
Weighted Avg. Remaining Contractual Life In Years, Options Outstanding | 5 years 5 months 23 days |  |
Weighted Average Exercise Price, Options Outstanding | $ 10.73 |  |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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