Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2012

Share Based Compensation [Abstract]

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

		Three Months Ended
		March 31,
		2012		2011
Cost of sales	$	103	$	86
Selling and administrative expense		3,126		2,868
Research and development expense		316		230
Total share-based compensation expense	$	3,545	$	3,184

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	12		21.83
Exercised	(62)		7.51			1,066
Forfeited or expired	-		-
Outstanding at March 31, 2012	3,537	$	16.86	5	$	26,218
Exercisable at March 31, 2012	2,560	$	14.69	4	$	23,111

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	8		21.83
Vested	(9)		23.83		210
Forfeited	(6)		23.00
Non-vested at March 31, 2012	616	$	22.88	$	14,104