Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Weighted-Average Assumptions Used in Valuing Stock Options Granted to Employees [Table Text Block]

The following are the weighted-average assumptions used in valuing the stock options granted to employees for the years ended December 31, 2012, 2011 and 2010:



	2012		2011		2010
Stock price volatility	34	%	34	%	31	%
Risk-free interest rate	0.82	%	1.88	%	2.12	%
Expected life (in years)	4.89		4.97		4.84
Dividend rate	0	%	0	%	0	%
Forfeiture rate	5.9	%	6.1	%	7.0	%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the status of employee stock options as of December 31, 2012 and changes during the year then ended is presented below:



All Employee Options	Number of Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Contractual Term	Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2012	6,527		$	13.61
Granted	593		$	16.00
Exercised	(1,444	)	$	11.53
Forfeited	(82	)	$	18.90
Expired	(261	)	$	17.64
Outstanding at December 31, 2012	5,333		$	14.16	4.09	$	25,006
Exercisable at December 31, 2012	4,252		$	13.18	2.91	$	23,664
Vested and expected to vest at December 31, 2012	5,257		$	14.12	4.01	$	24,886

Schedule of Employee Stock Options and Restricted Stock Units [Table Text Block]

A summary of stock units as of December 31, 2012 and changes during the year are presented below:



Stock Units	Stock Units (in thousands)		Weighted Average Contractual Term	Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2012	5,651
Granted	2,574
Vested	(831	)
Forfeited	(473	)
Outstanding at December 31, 2012	6,921		2.85	$	125,602
Vested and expected to vest at December 31, 2012	5,732		2.74	$	104,029

Schedule of Employee Service Share Based Compensation Allocation of Recognized Period Costs [Table Text Block]

Share-based compensation expense before taxes for the years ended December 31, 2012, 2011 and 2010 totaled approximately $25.4 million, $19.5 million and $13.6 million, respectively, as shown in the table below. No share-based compensation cost was capitalized in inventory in 2012, 2011 or 2010 as the amounts were not material. The excess tax benefit realized for the tax deductions of the share-based payment arrangements totaled $1.5 million, $4.2 million and $2.0 million, respectively, for the years ended December 31, 2012, 2011 and 2010.



Compensation Expense (in thousands)	2012		2011		2010
Cost of sales	$	2,328	$	1,672	$	932
Research and development	4,167		3,055		2,087
Sales and marketing	6,123		4,285		2,885
General and administrative	12,737		10,528		7,688
Share-based compensation expense	$	25,355	$	19,540	$	13,592