Commitments, Contingencies and Guarantees - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended
Mar. 28, 2014	Mar. 31, 2014
Commitments And Contingencies Disclosure [Abstract]
Unrealized gain on equity method investments	$ 16,600,000
Contingency reserve		$ 15,000,000

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration