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Capital Commitments - Additional Information (Detail) $ in Millions | Jul. 26, 2021 USD ($) ft²
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Other Commitments [Abstract] |
Capital commitments | $ | $ 10
Area of construction | ft² | 250,000

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- Definition Area of construction of factory second phase. + References No definition available. + Details
Name: | ncl_AreaOfConstructionOfFactorySecondPhase
Namespace Prefix: | ncl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_OtherCommitmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration