Derivative Instruments - Financial Information Related to Cash Flow Hedges (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Derivative [Line Items]
Unrealized gains (losses) on hedging transactions, Gross	$ (510)	$ 3,200	$ 1,760	$ (3,338)
Unrealized losses on hedging transactions, (Income) tax expense (benefit)	(119)	800	408	(1,092)
Unrealized losses on hedging transactions, Net	(391)	2,400	1,352	(2,246)
Cash Flow Hedging [Member]
Derivative [Line Items]
Unrealized gains (losses) on hedging transactions, Gross			1,760	(3,338)
Unrealized losses on hedging transactions, (Income) tax expense (benefit)			408	(1,092)
Unrealized losses on hedging transactions, Net			$ 1,352	$ (2,246)

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Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

+ Details

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- Definition

Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

+ Details

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- Definition

Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e640-108580

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