The following tables set forth the Company’s unaudited consolidated statements of income data for each of the eight quarterly periods ended January 27, 2013, as well as that data expressed as a percentage of the Company’s net sales for the quarters presented. The sum of quarterly per share amounts may differ from year to date amounts due to rounding.

Selected Quarterly Financial Data (Unaudited)



	Fiscal Year 2013												Fiscal Year 2012
	Quarters Ended												Quarters Ended
(in thousands, except per share amounts)	April 29, 2012			July 29, 2012			October 28, 2012			January 27, 2013			May 1, 2011			July 31, 2011			October 30, 2011			January 29, 2012
Net sales	$	116,642		$	150,704		$	160,878		$	150,603		$	122,371		$	130,254		$	123,944		$	104,032
Cost of sales	61,305			76,179			64,085			62,646			48,517			51,534			50,537			44,368
Gross profit	55,337			74,525			96,793			87,957			73,854			78,720			73,407			59,664
Operating costs and expenses:
Selling, general and administrative	44,818			31,220			35,646			37,386			26,705			22,481			25,110			26,333
Product development and engineering	24,083			32,613			33,354			29,959			18,525			22,228			20,489			19,335
Intangible amortization and impairments	5,578			7,977			8,212			8,177			2,102			2,103			4,573			2,075
Total operating costs and expenses	74,479			71,810			77,212			75,522			47,332			46,812			50,172			47,743
Operating (loss) income	(19,142		)	2,715			19,581			12,435			26,522			31,908			23,235			11,921
Interest expense	(1,843		)	(4,194		)	(4,172		)	(4,154		)	—			—			—			—
Interest income and other (expense) income, net	214			162			(1,071		)	(282		)	(440		)	(117		)	729			421
(Loss) income before taxes	(20,771		)	(1,317		)	14,338			7,999			26,082			31,791			23,964			12,342
(Benefit) provision for taxes	(22,980		)	(11,339		)	(2,252		)	(5,119		)	3,500			4,653			(3,015		)	(46		)
Net Income	$	2,209		$	10,022		$	16,590		$	13,118		$	22,582		$	27,138		$	26,979		$	12,388
Earnings per share:
Basic	$	0.03		$	0.15		$	0.25		$	0.20		$	0.35		$	0.41		$	0.41		$	0.19
Diluted	$	0.03		$	0.15		$	0.25		$	0.19		$	0.34		$	0.40		$	0.40		$	0.19
Weighted average number of shares used in computing earnings per share:
Basic	65,282			65,587			65,996			66,371			64,552			65,547			65,440			64,856
Diluted	67,233			67,165			67,465			67,984			67,123			68,186			67,314			66,776



	Fiscal Year 2013								Fiscal Year 2012
	Quarters Ended								Quarters Ended
	April 29, 2012		July 29, 2012		October 28, 2012		January 27, 2013		May 1, 2011		July 31, 2011		October 30, 2011		January 29, 2012
Net sales	100	%	100	%	100	%	100	%	100	%	100	%	100	%	100	%
Cost of sales	53	%	50	%	40	%	42	%	40	%	40	%	41	%	43	%
Gross profit	47	%	50	%	60	%	58	%	60	%	60	%	59	%	57	%
Operating costs and expenses:
Selling, general and administrative	38	%	21	%	22	%	25	%	22	%	17	%	20	%	25	%
Product development and engineering	21	%	22	%	21	%	20	%	15	%	17	%	17	%	19	%
Intangible amortization and impairments	5	%	5	%	5	%	5	%	2	%	2	%	4	%	2	%
Total operating costs and expenses	64	%	48	%	48	%	50	%	39	%	36	%	41	%	46	%
Operating (loss) income	(17	)%	2	%	12	%	8	%	22	%	24	%	19	%	11	%
Interest expense	(2	)%	(3	)%	(3	)%	(3	)%	—	%	—	%	—	%	—	%
Interest income and other (expense) income, net	—	%	—	%	(1	)%	—	%	—	%	—	%	1	%	—	%
(Loss) income before taxes	(19	)%	(1	)%	8	%	5	%	22	%	24	%	20	%	11	%
(Benefit) provision for taxes	(20	)%	(8	)%	(1	)%	(3	)%	3	%	4	%	(2	)%	—	%
Net Income	1	%	7	%	9	%	8	%	19	%	20	%	22	%	11	%