Significant Accounting Policies (Tables)

12 Months Ended

Jan. 27, 2013

Accounting Policies [Abstract]

Schedule of property, plant and equipment

The estimated service lives for property and equipment is as follows:

	Estimated
	Useful Lives
Buildings and leasehold improvements	7 to 39 years
Machinery and equipment	5 to 8 years
Transportation vehicles	5 years
Furniture and fixtures	7 years
Computers and computer software	3 years

Schedule of deferred revenue

The following table summarizes the deferred revenue balance:

(in thousands)	January 27, 2013		January 29, 2012
Deferred revenues	$	4,467	$	4,964
Deferred cost of revenues	1,099		1,243
Deferred revenue, net	3,368		3,721
Deferred product design and engineering recoveries	377		132
Total deferred revenue	$	3,745	$	3,853

Schedule of accumulated other comprehensive income (loss)

Accumulated other comprehensive income balances were as follows:

(in thousands)	Unrealized holding gain (loss) on available-for-sale investments (1)			Unrealized loss on interest rate hedge			Cumulative translation adjustment			Accumulated other comprehensive income
Balance at January 31, 2010	$	317		$	—		$	501		$	818
Current-period other comprehensive (loss) income	(76		)	—			1			(75		)
Balance at January 30, 2011	241			—			502			743
Current-period other comprehensive loss	(204		)	—			(4		)	(208		)
Balance as of January 29, 2012	37			—			498			535
Current-period other comprehensive (loss) income	(32		)	(353		)	203			(182		)
Balance as of January 27, 2013	$	5		$	(353	)	$	701		$	353

(1) Net of reclassification adjustments for gains realized, net of tax from other comprehensive income to net income $1 and $5 for the fiscal years 2013 and 2012, respectively. There were no reclassification adjustments for gains realized in fiscal year 2011.

Schedule of earnings per share calculation, basic and diluted

The computation of basic and diluted earnings per common share was as follows:

	Fiscal Year Ended
(in thousands, except per share amounts)	January 27, 2013		January 29, 2012		January 30, 2011
Net income	$	41,939	$	89,087	$	72,572
Weighted average common shares outstanding - basic	65,809		65,099		62,339
Dilutive effect of employee equity incentive plans	1,663		2,251		2,184
Weighted average common shares outstanding - diluted	67,472		67,350		64,523
Basic earnings per common share	$	0.64	$	1.37	$	1.16
Diluted earnings per common share	$	0.62	$	1.32	$	1.12
Anti-dilutive shares not included in the above calculations	783		625		1,700