Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Table Text Block Supplement [Abstract]

Schedule of Share-Based Compensation Expense

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2011		2010		2011		2010
Cost of sales	$	89	$	82	$	175	$	175
Selling and administrative expense		2,961		2,822		5,829		5,686
Research and development expense		233		329		463		653
Total share-based compensation expense	$	3,283	$	3,233	$	6,467	$	6,514

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	363		29.21
Exercised	(476)		6.97			10,957
Forfeited or expired	-		-
Outstanding at June 30, 2011	3,594	$	16.61	6	$	35,726
Exercisable at June 30, 2011	2,623	$	14.48	4	$	30,860

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	121		29.44
Vested	(236)		20.74		4,884
Forfeited	(16)		17.44
Nonvested at June 30, 2011	643	$	16.95	$	10,868