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Share-Based Compensation Plans - Class A common stock options (Details) | Dec. 31, 2018 item
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Common stock option plan |
Share-Based Compensation Plans |
Pre-announcements | 60

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

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- Definition Number of pre-announcements in which the size of the restricted stock grant is defined in financial terms and is subsequently converted into shares. + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |