Outstanding Derivatives Classified as Current or Noncurrent Based on Derivatives' Maturity Dates (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012	Mar. 31, 2012
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Other current assets	$ 36,830	$ 13,629	$ 23,874
Accrued liabilities (current)	(8,018)	(22,013)	(13,315)
Other assets (noncurrent)	11,987	2,524	2,161
Other liabilities (noncurrent)	$ (1,857)	$ (7,455)	$ (1,618)