Stock-Based Compensation (Tables)

6 Months Ended

Sep. 30, 2011

Stock-Based Compensation [Abstract]

Summary Of Stock-Based Compensation Expense

	Three-Month Periods Ended		Six-Month Periods Ended
	September 30, 2011	October 1, 2010	September 30, 2011	October 1, 2010
	(In thousands)		(In thousands)
Cost of sales	$                     2,293	$                     2,648	$                     4,307	$                     5,371
Selling, general and administrative expenses	11,955	11,282	22,218	23,049
Total stock-based compensation expense	$                   14,248	$                   13,930	$                   26,525	$                   28,420

Summary Of Restricted Share Unit Award Activity For Equity Compensation Plans

	Number of Shares	Weighted Average Grant-Date Fair Value
Unvested restricted share unit awards as of March 31, 2011	13,801,942	$                        8.04
Granted	8,274,205	6.66
Vested	(2,160,911)	10.16
Forfeited	(2,491,610)	9.70
Unvested restricted share unit awards as of September 30, 2011	17,423,626	$                        6.89