Derivative Instruments - Financial Information Related to Cash Flow Hedges (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 30, 2013	Mar. 31, 2012
Derivative [Line Items]
Unrealized gains (losses) on hedging transactions, Gross	$ 2,270	$ (6,538)
Unrealized losses on hedging transactions, Income tax expense (benefit)	(527)	1,892
Unrealized losses on hedging transactions, Net	1,743	(4,646)
Cash Flow Hedging [Member]
Derivative [Line Items]
Unrealized gains (losses) on hedging transactions, Gross	2,270	(6,538)
Unrealized losses on hedging transactions, Income tax expense (benefit)	527	(1,892)
Unrealized losses on hedging transactions, Net	$ 1,743	$ (4,646)

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

+ References

+ Details

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- Definition

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

+ References

+ Details

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- Definition

Tax effect, net of reclassification adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes 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=20435746&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=20435746&loc=d3e640-108580

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