Derivatives	12 Months Ended
Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives	Derivatives During the second quarter of 2018, Federated entered into two foreign currency forward transactions in order to hedge against foreign exchange rate fluctuations associated with the payment for the Hermes Acquisition. Neither forward was designated as a hedging instrument for accounting purposes. Federated recorded $29.0 million as nonoperating expense in Other, net on the Consolidated Statements of Income as a result of the change in fair value of these derivatives during the second quarter of 2018. During 2018, a British Pound Sterling denominated majority-owned subsidiary of Federated entered into foreign currency forward transactions in order to hedge against foreign exchange rate fluctuations in the U.S. Dollar. None of the forwards have been designated as hedging instruments for accounting purposes. As of December 31, 2018, this subsidiary held foreign currency forward derivative instruments with a combined face amount of £46.0 million and expiration dates ranging from March 2019 through September 2019. During the year ended December 31, 2018, Federated recorded $4.0 million as nonoperating expense in Other, net on the Consolidated Statements of Income. As of December 31, 2018, Federated recorded $3.8 million in Other Current Liabilities on the Consolidated Balance Sheets as a result of the change in fair value of these derivative instruments.

Derivatives

During the second quarter of 2018, Federated entered into two foreign currency forward transactions in order to hedge against foreign exchange rate fluctuations associated with the payment for the Hermes Acquisition. Neither forward was designated as a hedging instrument for accounting purposes. Federated recorded $29.0 million as nonoperating expense in Other, net on the Consolidated Statements of Income as a result of the change in fair value of these derivatives during the second quarter of 2018.

During 2018, a British Pound Sterling denominated majority-owned subsidiary of Federated entered into foreign currency forward transactions in order to hedge against foreign exchange rate fluctuations in the U.S. Dollar. None of the forwards have been designated as hedging instruments for accounting purposes. As of December 31, 2018, this subsidiary held foreign currency forward derivative instruments with a combined face amount of £46.0 million and expiration dates ranging from March 2019 through September 2019. During the year ended December 31, 2018, Federated recorded $4.0 million as nonoperating expense in Other, net on the Consolidated Statements of Income. As of December 31, 2018, Federated recorded $3.8 million in Other Current Liabilities on the Consolidated Balance Sheets as a result of the change in fair value of these derivative instruments.