Stock, Stock Options and Rights (Tables)

12 Months Ended

Dec. 31, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation Award Available for Grant

The following table presents shares authorized, available for future grant and outstanding under each of the Company’s plans at December 31, 2011:

	Authorized	Available	Outstanding
1996 Stock Incentive Program(1)	41,050	921	15,407
1998 Nonstatutory Stock Option Plan (2)	4,000	—	67
Sawtek 2nd Stock Option Plan(1)	2,331	15	—
2008 Inducement Award Plan	1,600	166	1,335
2009 Incentive Plan	19,351	6,354	12,738
Total	68,332	7,456	29,547

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(1) Shares are only available for issuance under the 2009 Incentive Plan after reregistration.

(2) Shares will be retired upon cancellation.

Stock-Based Compensation by Payment Award

The following summarizes the Company’s stock option transactions for 2011, 2010 and 2009:

	Year ended December 31,
	2011				2010				2009
	Shares		Weighted- average exercise price		Shares		Weighted- average exercise price		Shares		Weighted- average exercise price
Outstanding at beginning of year	28,436		$	6.03	30,101		$	7.96	29,851		$	9.36
Granted	5,678		$	11.94	7,521		$	7.37	5,772		$	3.00
Exercised	(2,738	)	$	6.43	(6,360	)	$	5.50	(2,526	)	$	4.38
Forfeitures	(1,829	)	$	12.51	(2,826	)	$	31.38	(2,996	)	$	15.32
Outstanding at end of year	29,547		$	6.73	28,436		$	6.03	30,101		$	7.96
Exercisable at end of year	15,963		$	5.34	14,208		$	6.35	18,095		$	10.23

Stock-Based Compensation Exercise Price Range

The following table summarizes information concerning stock options outstanding and exercisable at December 31, 2011:

	Options Outstanding				Options Exercisable
Range of Exercise Price	Number Outstanding (in thousands)	Weighted- Average Remaining Contractual Life-Years	Weighted- Average Exercise Price		Number Exercisable (in thousands)	Weighted- Average Exercise Price
$ 1.69 – $ 3.50	4,587	6.60	$	2.31	2,749	$	2.40
$ 3.51 – $ 5.50	6,884	4.46	$	4.81	6,487	$	4.80
$ 5.51 – $ 7.00	5,928	6.36	$	6.47	4,498	$	6.46
$ 7.01 – $10.00	6,884	7.20	$	7.36	1,974	$	7.77
$10.01 – $13.99	5,264	9.22	$	12.54	255	$	12.24
$ 1.69 – $13.99	29,547	6.66	$	6.73	15,963	$	5.34

Stock Options and Employee Stock Purchase Plan, Valuation Assumptions

The following table summarizes the average estimates the Company used in the Black-Scholes option-pricing model during 2011, 2010 and 2009, to determine the fair value of employee stock options and employee ESPP rights granted during each period:

Stock Options	2011		2010		2009
Risk free interest rates	2.2	%	2.6	%	1.6	%
Expected life in years	4.99 years		4.79 years		4.14 years
Expected dividend yield	—	%	—	%	—	%
Expected volatility	60.2	%	60.6	%	57.8	%
Estimated annualized forfeiture rate	6.8	%	7.5	%	7.7	%
Employee Stock Purchase Plans	2011		2010		2009
Risk free interest rates	0.1	%	0.2	%	0.6	%
Expected life in years	0.5 years		0.5 years		0.5 years
Expected dividend yield	—	%	—	%	—	%
Expected volatility	57.4	%	56.3	%	88.8	%
Estimated annualized forfeiture rate	4	%	4	%	4	%

Options, Grants in Period, Weighted Average Grant Date Fair Value

Based upon these assumptions, the Company has estimated the per share weighted-average grant fair value of its options granted during 2011, 2010, and 2009 as follows:

	Year ended December 31,
	2011		2010		2009
Weighted-average grant fair value	$	6.27	$	3.86	$	1.40

Schedule of Stock-Based Compensation

The table below summarizes the stock-based compensation expense for 2011, 2010 and 2009:

	Year ended December 31,
	2011		2010		2009
Stock-based compensation expense included in cost of goods sold	$	6,918	$	4,652	$	3,492
Operating expenses:
Research, development and engineering	8,492		6,337		5,685
Selling, general and administrative	9,672		6,571		5,008
Stock-based compensation expense included in operating expenses	18,164		12,908		10,693
Total stock-based compensation expense included in income from operations	$	25,082	$	17,560	$	14,185

Schedule of Employee Stock Purchase Plan Activity

During 2011, 2010 and 2009, the approximate number of shares of the Company’s common stock that was purchased under the ESPP was as follows:

	Year ended December 31,
	2011	2010	2009
Shares purchased	1,924	1,824	3,397