Senior Notes and Other Long-Term Debt - Components of Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2012		Mar. 30, 2012		Oct. 31, 2009	Sep. 28, 2012 2016 Notes [Member]		Mar. 30, 2012 2016 Notes [Member]		Oct. 31, 2009 2016 Notes [Member]	Sep. 28, 2012 2020 Notes [Member]		Mar. 30, 2012 2020 Notes [Member]		Feb. 27, 2012 2020 Notes [Member]
Debt Instrument [Line Items]
Principal amounts of Senior Notes issued	$ 550,000					$ 275,000	[1]	$ 275,000	[1]	$ 275,000	$ 275,000	[1]	$ 275,000	[1]	$ 275,000
Unamortized discount on the 2016 Notes	(1,961)	[1]	(2,209)	[1]	(3,400)
Total Senior Notes, net of discount	548,039		547,791
Less: current portion of the Senior Notes
Total Senior Notes long-term, net	548,039		547,791
Revolving credit facility
Capital lease obligations	1,401		2,014
Total other long-term debt	1,401		2,014
Less: current portion of other long-term debt	1,270		1,240
Other long-term debt, net	131		774
Total debt	549,440		549,805
Less: current portion	1,270		1,240
Long-term debt, net	$ 548,170		$ 548,565

[1] (1) Subsequent to the quarter end, the Company issued an additional $300.0 million in aggregate principal amount of 2020 Notes, repurchased approximately $262.1 million in aggregate principal amount of its 2016 Notes and issued a notice of redemption to redeem the remaining 2016 Notes outstanding.