Quarterly Financial Information (unaudited)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information (unaudited)

15. Quarterly Financial Information (unaudited)

The Company’s interim financial statements are prepared on a quarterly basis ending on the Friday closest to the end of the calendar quarter, with the exception of the fourth quarter which always ends on December 31.

	Three Months Ended
	December 31, 2011			September 30, 2011			July 1, 2011			April 1, 2011
	(in thousands except per share data)
Sales	$	79,795		$	93,257		$	101,370		$	91,858
Cost of goods sold		45,210			52,349			56,377			51,964
Gross profit		34,585			40,908			44,993			39,894
Operating expenses		29,093			28,375			30,220			28,753
Income from operations		5,492			12,533			14,773			11,141
Interest income (expense) and other income (expense), net		(2,600	)		(2,810	)		(3,160	)		(3,312	)
Income from continuing operations before income taxes		2,892			9,723			11,613			7,829
Income tax provision (benefit)		(956	)		907			1,538			1,567
Consolidated net income		3,848			8,816			10,075			6,262
Net (income) loss attributable to noncontrolling interest		7			29			(9	)		(55	)
Net income attributable to GSI Group Inc.	$	3,855		$	8,845		$	10,066		$	6,207
Net income per common share:
Basic	$	0.12		$	0.26		$	0.30		$	0.19
Diluted	$	0.11		$	0.26		$	0.30		$	0.19
	Three Months Ended
	December 31, 2010			October 1, 2010			July 2, 2010			April 2, 2010
	(in thousands except per share data)
Sales	$	91,619		$	91,545		$	85,737		$	114,615
Cost of goods sold		53,256			50,601			47,681			65,577
Gross profit		38,363			40,944			38,056			49,038
Operating expenses		28,815			29,835			27,109			26,733
Income from operations		9,548			11,109			10,947			22,305
Interest income (expense) and other income (expense), net		(3,654	)		(4,443	)		(4,747	)		(4,809	)
Income from continuing operations before reorganization items and income taxes		5,894			6,666			6,200			17,496
Reorganization items		—			(5,909	)		(10,617	)		(9,630	)
Income (loss) from continuing operations before taxes		5,894			757			(4,417	)		7,866
Income tax provision		7,611			665			638			1,825
Consolidated net income (loss)		(1,717	)		92			(5,055	)		6,041
Net (income) loss attributable to noncontrolling interest		(25	)		29			(11	)		(41	)
Net income (loss) attributable to GSI Group Inc.	$	(1,742	)	$	121		$	(5,066	)	$	6,000
Net income (loss) per common share:
Basic	$	(0.05	)	$	0.00		$	(0.32	)	$	0.38
Diluted	$	(0.05	)	$	0.00		$	(0.32	)	$	0.38