Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2011

Table Text Block Supplement [Abstract]

Schedule of Share-Based Compensation Expense

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2011		2010		2011		2010
Cost of sales	$	112	$	87	$	287	$	262
Selling and administrative expense		3,259		2,824		9,088		8,510
Research and development expense		272		355		735		1,008
Total share-based compensation expense	$	3,643	$	3,266	$	10,110	$	9,780

Schedule of Stock Option Activity

Stock Options	Shares (000)		Weighted Average Exercise Price	Weighted Average Remaining Contractual Term (yrs)		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2011	3,707	$	14.14	5	$	47,891
Granted	385		29.07
Exercised	(482)		7.04			11,007
Forfeited or expired	(6)		21.69
Outstanding at September 30, 2011	3,604	$	16.67	5	$	14,475
Exercisable at September 30, 2011	2,633	$	14.50	4	$	13,789

Schedule of Share Grant Activity

Share Grants	Shares (000)		Weighted-Average Grant-Date Fair Value		Aggregate Intrinsic Value ($000)
Nonvested at January 1, 2011	774	$	16.16	$	12,479
Granted	367		27.55
Vested	(362)		20.10		7,267
Forfeited	(35)		19.74
Nonvested at September 30, 2011	744	$	19.83	$	14,742