Convertible Debentures and Revolving Credit Facility (Tables)

12 Months Ended

Mar. 31, 2012

Debt Instrument [Line Items]

Carrying values of liability and equity components of debentures

(In thousands)	March 31, 2012			April 2, 2011
Liability component:
Principal amount of the 3.125% Debentures	$	689,635		$	689,635
Unamortized discount of liability component		(325,448	)		(329,941	)
Unamortized discount of embedded derivative from date of issuance		(1,446	)		(1,504	)
Carrying value of liability component – 3.125% Debentures		362,741			358,190
Carrying value of embedded derivative component		931			945
Net carrying value of the 3.125% Debentures	$	363,672		$	359,135
Equity component – net carrying value	$	229,513		$	229,513

2.625% Senior Convertible Debentures [Member]

Debt Instrument [Line Items]

Interest expense related to debentures

(In thousands)	2012		2011
Contractual coupon interest	$	15,750	$	12,863
Amortization of debt issuance costs		1,448		1,207
Amortization of debt discount, net		11,052		9,739
Total interest expense related to the 2.625% Debentures	$	28,250	$	23,809

3.125% Debentures [Member]

Debt Instrument [Line Items]

Carrying values of liability and equity components of debentures

(In thousands)	March 31, 2012			April 2, 2011
Liability component:
Principal amount of the 2.625% Debentures	$	600,000		$	600,000
Unamortized discount of liability component		(80,311	)		(95,855	)
Hedge accounting adjustment – sale of interest rate swap		23,208			27,700
Net carrying value of the 2.625% Debentures	$	542,897		$	531,845
Equity component – net carrying value	$	105,620		$	105,620

Interest expense related to debentures

(In thousands)	2012			2011		2010
Contractual coupon interest	$	21,551		$	21,551	$	21,551
Amortization of debt issuance costs		223			223		223
Amortization of embedded derivative		58			58		58
Amortization of debt discount		4,493			4,182		3,892
Fair value adjustment of embedded derivative		(14	)		97		(1,262	)
Total interest expense related to the 3.125% Debentures	$	26,311		$	26,111	$	24,462