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Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Components of Segment Information Segment Reporting Information, Profit (Loss) [Abstract] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer relationships Customer Relationships [Member] Education Education [Member] Education [Member] Proceeds from bank borrowings Proceeds from Long-Term Lines of Credit Type of Restructuring [Domain] Type of Restructuring [Domain]