Stock-Based Compensation (Tables)

9 Months Ended

Dec. 31, 2011

Stock-Based Compensation [Abstract]

Summary Of Stock-Based Compensation Expense

		Three-Month Periods Ended				Nine-Month Periods Ended
		December 31, 2011	December 31, 2010			December 31, 2011	December 31, 2010
		(In thousands)				(In thousands)
Cost of sales	$	2,021	$	2,553	$	6,328	$	7,924
Selling, general and administrative expenses		9,961		11,265		32,179		34,314
Total stock-based compensation expense	$	11,982	$	13,818	$	38,507	$	42,238

Summary Of Restricted Share Unit Award Activity For Equity Compensation Plans

				Weighted Average
				Grant-Date Fair
	Number of Shares			Value
Unvested restricted share unit awards as of March 31, 2011	13,801,942		$	8.04
Granted	8,597,305			6.64
Vested	(2,254,398	)		9.95
Forfeited	(3,368,125	)		9.06
Unvested restricted share unit awards as of December 31, 2011	16,776,724		$	6.86