Senior Notes and Other Long-Term Debt - Components of Long-Term Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Apr. 03, 2015
Senior Notes
Total senior notes long-term, net	$ 581,374	$ 582,657
Other Long-Term Debt
Other	562	822
Total other long-term debt	372,962	223,996
Total other long-term debt	372,962	223,996
Less: current portion of other long-term debt	274	260
Other long-term debt, net	372,688	223,736
Total debt	954,336	806,653
Less: current portion	274	260
Long-term debt, net	954,062	806,393
Revolving credit facility [Member]
Other Long-Term Debt
Credit Facility	180,000	210,000
Ex-Im Credit Facility [Member]
Other Long-Term Debt
Credit Facility	197,200
Credit Facility	218,157	20,476
Unamortized discount on the Ex-Im Credit Facility	(25,757)	(7,302)
2020 Notes [Member]
Senior Notes
Principal amounts of Senior Notes issued	575,000	575,000
Unamortized premium on the 2020 Notes	6,374	7,657
Total senior notes, net of premium	581,374	582,657
Total senior notes, net of premium	581,374	582,657
Less: current portion of the senior notes	0	0
Total senior notes long-term, net	$ 581,374	$ 582,657