Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 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:

	For the Years Ending December 31,
(In thousands, except per share amounts)	2013		2012		2011
Basic:
Net income attributable to GAMCO Investors, Inc.'s shareholders		116,853	$	75,539	$	69,682
Weighted average shares outstanding		25,653		26,283		26,636
Basic net income per share attributable to GAMCO
Investors, Inc.'s shareholders		4.56	$	2.87	$	2.62
Diluted:
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	116,853	$	75,539	$	69,682
Weighted average share outstanding		25,653		26,283		26,636
Dilutive stock options and restricted stock awards		59		153		88
Total		25,712		26,436		26,724
Diluted net income per share attributable to GAMCO
Investors, Inc.'s shareholders		4.54	$	2.86	$	2.61