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Exhibit 12.01

Statement Regarding Computation of Ratios (in thousands, except ratios)

		Fiscal Year Ended March 31,										Nine Months Ended December 31,
		1997		1998		1999		2000		2001		2000		2001
												(unaudited)
Fixed charges:
	Interest expense, including amortization of debt expense	$	2,744	$	12,402	$	12,103	$	11,577	$	11,852	$	9,006	$	9,450
	Portion of rent deemed to be interest		1,710		1,980		1,110		390		930		828		1,368
	Total fixed charges		4,454		14,382		13,213		11,967		12,782		9,834		10,818
Earnings (loss):
	Income (loss) from continuing operations before income taxes		187,697		236,412		11,893		237,356		114,794		137,798		(110,496	)
	Fixed charges per above		4,454		14,382		13,213		11,967		12,782		9,834		10,818
	Total earnings (loss)		192,151		250,794		25,106		249,323		127,576		147,632		(99,678	)
Ratio of earnings to fixed charges			43.14x		17.44x		1.90x		20.83x		9.98x		15.01x		—
Deficiency of earnings available to cover fixed charges			—		—		—		—		—		—	$	110,496

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Statement Regarding Computation of Ratios (in thousands, except ratios)