Earnings (Loss) per Share (Tables)

12 Months Ended

Dec. 31, 2013

Computation of Basic and Diluted Earnings (Loss) Per Share

The following table sets forth the computation of basic and diluted earnings (loss) per share (in thousands, except per share amounts):

	Year Ended December 31,
	2013			2012			2011
Numerators:
Consolidated income from continuing operations	$	8,850		$	22,474		$	21,676
Less: Income attributable to noncontrolling interest		(22	)		(40	)		(28	)
Income from continuing operations attributable to GSI Group Inc.		8,828			22,434			21,648
Income (loss) from discontinued operations.		(1,519	)		(2,896	)		7,325
Net income attributable to GSI Group Inc.	$	7,309		$	19,538		$	28,973
Denominators:
Weighted average common shares outstanding—basic		34,073			33,775			33,481
Dilutive potential common shares		323			161			108
Weighted average common shares outstanding—diluted		34,396			33,936			33,589
Antidilutive common shares excluded from above		246			244			132
Basic Earnings (Loss) per Common Share:
From continuing operations	$	0.26		$	0.66		$	0.65
From discontinued operations	$	(0.05	)	$	(0.08	)	$	0.22
Basic earnings per share attributable to GSI Group Inc.	$	0.21		$	0.58		$	0.87
Diluted Earnings (Loss) per Common Share:
From continuing operations	$	0.26		$	0.66		$	0.64
From discontinued operations	$	(0.05	)	$	(0.08	)	$	0.22
Diluted earnings per share attributable to GSI Group Inc.	$	0.21		$	0.58		$	0.86