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.

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+ References

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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+ References

No definition available.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
-Paragraph 2
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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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