Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Share Based Compensation [Abstract]

Schedule of Share-Based Compensation Expense

The following table shows the total compensation expensed for share-based compensation plans, including stock options and share grants, recognized in the statements of operations (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Cost of goods sold	$	122	$	107	$	245	$	203
Selling, general and administrative		3,389		2,979		6,594		5,829
Research and development		364		305		716		578
Total share-based compensation expense	$	3,875	$	3,391	$	7,555	$	6,610

Schedule of Share Based Compensation Stock Options Activity

A summary of the stock option grants is as follows:

Stock Options	Shares (000)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (yrs)		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2015		2,736		$	21.26		4	$	17,840
Granted		-			-
Exercised		(534	)		15.49				6,976
Forfeited or expired		(16	)		-
Outstanding at June 30, 2015		2,186		$	22.65		4	$	6,309
Exercisable at June 30,  2015		1,849		$	22.37		4	$	5,833

Schedule Of Nonvested Restricted Stock Units Activity

A summary of our non-vested share grants is as follows:

Share Grants	Shares (000)			Weighted Average Grant-Date Fair Value		Aggregate Intrinsic Value ($000)
Non-vested at January 1, 2015		1,535		$	23.32	$	42,324
Granted		312			26.19
Vested		(116	)		25.72		3,016
Forfeited		(27	)		26.00
Non-vested at June 30, 2015		1,704		$	23.70	$	40,936