Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Share Based Compensation [Abstract]

Schedule of Share-Based Compensation Expense [Table Text Block]

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2012		2011		2012		2011
Cost of sales	$	102	$	89	$	205	$	175
Selling and administrative expense		3,121		2,961		6,247		5,829
Research and development expense		316		233		632		463
Total share-based compensation expense	$	3,539	$	3,283	$	7,084	$	6,467

Schedule Of Share Based Compensation Stock Options Activity [Table Text Block]

Stock Options	Shares (000)		Weighted Average Exercise Price	Weighted Average Remaining Contractual Term (yrs)		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2012	3,587	$	16.69	5	$	22,299
Granted	382		19.35
Exercised	(268)		4.66			4,207
Forfeited or expired	-		-
Outstanding at June 30, 2012	3,701	$	17.83	5	$	12,415
Exercisable at June 30, 2012	2,698	$	16.44	4	$	11,916

Schedule Of Nonvested Restricted Stock Units Activity [Table Text Block]

Share Grants	Shares (000)		Weighted-Average Grant-Date Fair Value		Aggregate Intrinsic Value ($000)
Non-vested at January 1, 2012	623	$	22.91	$	14,279
Granted	132		19.46
Vested	(122)		22.11		2,697
Forfeited	(15)		22.49
Non-vested at June 30, 2012	618	$	22.34	$	13,802