Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Computations of basic and diluted net income per share

The computations of basic and diluted net income per share are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands, except per share amounts)	2013		2012		2013		2012
Basic:
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	27,893	$	15,105	$	50,438	$	38,941
Weighted average shares outstanding		25,679		26,258		25,710		26,338
Basic net income attributable to GAMCO Investors, Inc.'s
shareholders per share	$	1.09	$	0.58	$	1.96	$	1.48
Diluted:
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	27,893	$	15,105	$	50,438	$	38,941
Weighted average share outstanding		25,679		26,258		25,710		26,338
Dilutive stock options and restricted stock awards		10		168		13		163
Total		25,689		26,426		25,723		26,501
Diluted net income attributable to GAMCO Investors, Inc.'s
shareholders per share	$	1.09	$	0.57	$	1.96	$	1.47