Share-Based Compensation (Notes)

6 Months Ended

Sep. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Equity incentive plans

Share-Based Compensation

The following table presents the details of the Company's share-based compensation expense (amounts in thousands):

	Three Months Ended						Six Months Ended
	September 30,						September 30,
	2013			2012			2013			2012
Cost of sales	$	1,864	(1)	$	2,614	(1)	$	3,833	(1)	$	3,924	(1)
Research and development	6,931			6,358			12,621			10,390
Selling, general and administrative	6,205			11,581			11,202			16,225
Pre-tax effect of share-based compensation	15,000			20,553			27,656			30,539
Income tax benefit	1,589			3,419			2,991			4,741
Net income effect of share-based compensation	$	13,411		$	17,134		$	24,665		$	25,798

(1) During the three and six months ended September 30, 2013, $2.4 million and $3.8 million, respectively, of share-based compensation expense was capitalized to inventory and $1.9 million and $3.8 million, respectively, of previously capitalized share-based compensation expenses in inventory was sold.  During the three and six months ended September 30, 2012, $1.8 million and $3.5 million of share-based compensation expense was capitalized to inventory and $2.6 million and $3.9 million, respectively, of previously capitalized share-based compensation expense in inventory was sold.