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Cash Proceeds Received and Tax Benefit from Share-based Payment Awards [Table Text Block] |
us-gaap:CashProceedsReceivedAndTaxBenefitFromShareBasedPaymentAwardsTableTextBlock |
Tabular disclosure of cash received from exercise of stock options and similar instruments granted under share-based payment arrangements and tax benefit from exercise of stock options. |
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us-gaap:CashProceedsReceivedAndTaxBenefitFromShareBasedPaymentAwardsTableTextBlock |