Financial Instruments - Reconciles Beginning and Ending Balances for Level 3 Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Dec. 30, 2012
Reconciles the beginning and ending balances for Level 3 liabilities
Beginning balance	$ 540
Add: Adjustment to present value of contingent consideration	110
Ending balance	$ 650

This element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant