Business Combination - Estimated Fair Value of Intangible Assets Acquired under Transaction (Detail) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Total	$ 1,890
Existing technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Total	1,612
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Total	$ 278

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant