Nature of Business and Significant Accounting Policies Nature of Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Nature of Business and Significant Accounting Policies [Abstract]

Reconciliation of the numerator and denominator utilized in the computation of basic and diluted earnings per share

Note 1. Nature of Business and Significant Accounting Policies—(Continued)

The following table sets forth the reconciliation of the numerator and denominator utilized in the computation of basic and diluted earnings per share (in thousands):

	Year Ended December 31,
	2011			2010(1)			2009
Numerator for earnings per share:
Earnings from continuing operations	$	222,652		$	248,374		$	230,213
Loss from discontinued operations	(1,178		)	(248		)	—
Net earnings for basic earnings per share	221,474			248,126			230,213
Interest associated with convertible notes, net of tax	—			935			3,585
Net earnings available to common shareholders—diluted	$	221,474		$	249,061		$	233,798
Denominator for earnings per share:
Weighted average number of common shares outstanding	158,323			156,141			149,405
Assumed exercise of stock options and vesting of restricted stock awards, net of shares assumed reacquired under the treasury stock method	2,528			3,196			3,518
Assumed conversion of convertible notes	—			2,293			8,646
Diluted shares outstanding	160,851			161,630			161,569

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(1)    Amounts have been adjusted for the reclassification of certain discontinued operations to continuing operation

Supplemental cash flow disclosure

Supplemental cash flow disclosure (in thousands)

	Year Ended December 31,
	2011		2010		2009
Cash paid for:
Interest	$	1,119	$	1,631	$	2,972
Taxes	$	106,215	$	111,778	$	116,733
Non-cash transactions:
Conversion of convertible notes to common stock	$	—	$	58,752	$	132,637
Stock issued for business acquisition	$	—	2,121		—

Stock-based compensation expense and related tax benefit recognized in the Consolidated Statements of Income and capitalized in the Consolidated Balance Sheets

The following table sets forth the stock-based compensation expense and related tax benefit recognized in the Consolidated Statements of Income for the years ended December 31, 2011, 2010 and 2009 (in thousands):

	Year Ended December 31,
	2011			2010			2009
Cost of goods sold	$	3,306		$	3,694		$	3,297
Research and development	5,195			5,015			4,943
Selling, general and administrative	16,416			16,866			15,715
Stock-based compensation expense before income taxes	24,917			25,575			23,955
Income tax benefit	(6,976		)	(8,011		)	(7,011		)
Total stock-based compensation expense after income taxes	$	17,941		$	17,564		$	16,944

Stock-based compensation expense capitalized in the Consolidated Balance Sheets as of December 31, 2011, 2010 and 2009 is as follows (in thousands):

	December 31,
	2011		2010		2009
Capitalized in inventory	$	819	$	673	$	896

Fair value of the stock-based awards, as determined under the Black-Scholes model, granted weighted-average assumptions

The fair value of the stock-based awards, as determined under the Black-Scholes model, granted in the years ended December 31, 2011, 2010 and 2009 reported above was estimated with the following weighted-average assumptions:

	2011		2010		2009
Stock option awards:
Risk-free interest rate	1.0	%	1.6	%	1.5	%
Expected dividend yield	0.7	%	—	%	—	%
Expected term	4.3 years		4.3 years		4.3 years
Expected volatility	42.3	%	45.1	%	46.9	%
Employee stock purchase plan:
Risk-free interest rate	0.1	%	0.2	%	0.3	%
Expected dividend yield	0.8	%	—	%	—	%
Expected term	6 months		6 months		6 months
Expected volatility	33.1	%	27.1	%	49.5	%

Weighted-average fair value of stock-based compensation awards granted and vested, and the intrinsic value of options exercised

The weighted-average fair value of stock-based compensation awards granted and vested, and the intrinsic value of options exercised during the period were (in thousands, except per share amounts):

	Years Ended December 31,
	2011		2010		2009
Stock option awards:
Weighted average grant date fair value per share	$	11.61	$	11.52	$	9.96
Total fair value of awards granted	$	4,613	$	7,299	$	10,534
Total fair value of awards vested	$	8,492	$	7,281	$	6,964
Total intrinsic value of options exercised	$	21,234	$	33,920	$	34,648
Restricted stock unit awards:
Weighted average grant date fair value per share	$	34.35	$	29.91	$	25.38
Total fair value of awards granted	$	21,822	$	16,011	$	16,793
Employee stock purchase plan:
Weighted average grant date fair value per share	$	6.99	$	6.59	$	8.37
Total fair value of shares estimated to be issued	$	2,359	$	1,885	$	1,073