Consolidated Statements of Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017		Dec. 31, 2016	Dec. 31, 2015
Revenue
Investment advisory fees, net—affiliates		$ 591,112		$ 654,224	$ 526,564
Investment advisory fees, net—other		140,558		112,601	99,761
Administrative service fees, net—affiliates		188,814		211,646	211,458
Other service fees, net—affiliates		176,397		160,024	84,444
Other service fees, net—other		6,043		4,876	4,382
Total revenue		1,102,924		1,143,371	926,609
Operating Expenses
Distribution		342,779		383,648	232,445
Compensation and related		289,215		296,466	286,932
Systems and communications		31,971		31,271	27,629
Office and occupancy		29,258		27,379	26,706
Professional service fees		29,064		29,443	31,250
Travel and related		12,646		13,228	13,409
Advertising and promotional		11,166		14,522	13,930
Other		15,317		11,731	14,862
Total operating expenses		761,416		807,688	647,163
Operating income		341,508		335,683	279,446
Nonoperating Income (Expenses)
Investment income, net		7,236		7,256	5,056
Gain (loss) on securities, net	[1]	8,072		2,108	(5,264)
Debt expense		(4,772)		(4,173)	(4,299)
Other, net		(42)		60	(33)
Total nonoperating income (expenses), net		10,494		5,251	(4,540)
Income before income taxes		352,002		340,934	274,906
Income tax provision		57,101		119,420	102,920
Net income including the noncontrolling interests in subsidiaries		294,901		221,514	171,986
Less: Net income attributable to the noncontrolling interests in subsidiaries		3,560		12,595	2,179
Net income		$ 291,341	[2]	$ 208,919	$ 169,807
Amounts Attributable to Federated Investors, Inc.
Earnings per common share—Basic and Diluted	[4]	$ 2.87	[3]	$ 2.03	$ 1.62
Cash dividends per share		$ 1.00		$ 2.00	$ 1.00

[1] Amounts related to consolidated entities, primarily Federated Funds, totaled $3.0 million, $2.9 million and $(4.0) million for the years ended December 31, 2017, 2016 and 2015, respectively.

[2] 2017 includes a $70.4 million reduction to the income tax provision resulting from the revaluation of the net deferred tax liability due to the enactment of the Tax Act, thereby increasing net income.

[3] 2017 includes a $0.69 increase to earnings per share resulting from the revaluation of the net deferred tax liability due to the enactment of the Tax Act.

[4] Federated Common Stock excludes unvested restricted stock which are deemed participating securities in accordance with the two-class method of computing earnings per share.