 | us-gaap:GoodwillAcquiredDuringPeriod | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillImpairmentLoss | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillSubsequentRecognitionOfDeferredTaxAsset | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillForeignCurrencyTranslationGainLoss | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillPurchaseAccountingAdjustments | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillOtherIncreaseDecrease | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillTransfers | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:GoodwillAcquiredDuringPeriod | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:GoodwillImpairmentLoss | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:GoodwillSubsequentRecognitionOfDeferredTaxAsset | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:GoodwillOtherIncreaseDecrease | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:GoodwillTransfers | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |