Earnings Per Share Attributable to Federated Investors, Inc. Shareholders (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share using the two-class method for amounts attributable to Federated Investors, Inc. for the years ended December 31:

in thousands, except per share data	2011			2010			2009
Numerator – Basic
Net income attributable to Federated Investors, Inc.	$	150,906		$	179,114		$	197,292
Less: Total income available to participating unvested restricted shareholders1	(4,922		)	(6,443		)	(4,917		)
Total net income attributable to Federated Common Stock2	$	145,984		$	172,671		$	192,375
Numerator – Diluted
Net income attributable to Federated Investors, Inc.	$	150,906		$	179,114		$	197,292
Less: Total income available to participating unvested restricted shareholders1	(4,921		)	(6,443		)	(4,913		)
Total net income attributable to Federated Common Stock2	$	145,985		$	172,671		$	192,379
Denominator
Basic weighted-average common shares outstanding	100,609			99,925			99,923
Dilutive potential shares from stock options	23			68			133
Diluted weighted-average common shares outstanding	100,632			99,993			100,056
Earnings per share
Net income attributable to Federated Common Stock - Basic2	$	1.45		$	1.73		$	1.93
Net income attributable to Federated Common Stock - Diluted2	$	1.45		$	1.73		$	1.92

1 Income available to participating restricted shareholders includes dividends paid to unvested restricted shareholders, net of forfeited dividends, and their proportionate share of undistributed earnings.

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