Debt and Credit Facility (Tables)

6 Months Ended

Sep. 26, 2015

Two And Six Two Five Percent Senior Convertible Debentures [Member]

Schedule of Debt Instruments [Line Items]

Carrying values of liability and equity components of debentures

The carrying values of the liability and equity components of the 2017 Convertible Notes are reflected in the Company’s condensed consolidated balance sheets as follows:

(In thousands)	September 26, 2015			March 28, 2015
Liability component:
Principal amount of the 2017 Convertible Notes	$	600,000		$	600,000
Unamortized discount of liability component	(25,907		)	(33,679		)
Hedge accounting adjustment – sale of interest rate swap	7,487			9,732
Net carrying value of the 2017 Convertible Notes	$	581,580		$	576,053
Equity component (including temporary equity) – net carrying value	$	66,415		$	66,415

Interest Expense Related to Debentures [Table Text Block]

Interest expense related to the 2017 Convertible Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended				Six Months Ended
(In thousands)	September 26, 2015		September 27, 2014		September 26, 2015		September 27, 2014
Contractual coupon interest	$	3,938	$	3,938	$	7,875	$	7,875
Amortization of debt issuance costs	362		362		724		724
Amortization of debt discount, net	2,763		2,763		5,526		5,526
Total interest expense related to the 2017 Convertible Notes	$	7,063	$	7,063	$	14,125	$	14,125

2019 and 2021 Notes Payable [Member]

Schedule of Debt Instruments [Line Items]

Schedule of Long-term Debt Instruments [Table Text Block]

The following table summarizes the carrying value of the 2019 and 2021 Notes as of September 26, 2015 and March 28, 2015:

(In thousands)	September 26, 2015			March 28, 2015
Principal amount of the 2019 Notes	$	500,000		$	500,000
Unamortized discount of the 2019 Notes	(1,818		)	(2,073		)
Principal amount of the 2021 Notes	500,000			500,000
Unamortized discount of the 2021 Notes	(2,849		)	(3,088		)
Total carrying value	$	995,333		$	994,839

Interest Expense Related to Debentures [Table Text Block]

Interest expense related to the 2019 and 2021 Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended				Six Months Ended
(In thousands)	September 26, 2015		September 27, 2014		September 26, 2015		September 27, 2014
Contractual coupon interest	$	6,406	$	6,406	$	12,813	$	12,813
Amortization of debt issuance costs	146		134		293		290
Amortization of debt discount, net	247		242		493		482
Total interest expense related to the 2019 and 2021 Notes	$	6,799	$	6,782	$	13,599	$	13,585