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Cost Savings Initiatives (Details Textual) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2017 | Jan. 31, 2018
Restructuring Cost And Reserve [Line Items] |  |
Cost savings initiative | $ 6,419 |
Cost Savings Initiatives |  |
Restructuring Cost And Reserve [Line Items] |  |
Cost savings initiative |  | $ 13,600

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- Definition Cost savings initiative charges. + References No definition available. + Details
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Namespace Prefix: | mov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RestructuringPlanAxis=mov_CostSavingsInitiativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |