v2.4.0.6

Employee Retirement Plans (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jul. 03, 2010
Employee Retirement Plans (Textual) [Abstract]
Defined Benefit Plan, Date on which plans frozen	Mar. 31, 2004
Estimated net actuarial loss	$ 1,390	$ 1,261	$ 693
Estimated prior service	100
Anticipates payments SRP and ARP	1,522
Harbor 401 provision plan rate	3.00%
Contributions in cash to the 401(k) plan	$ 269	$ 267	$ 375
Decrease of basis point in the discount rate	1.06%

X

- Definition

Defined benefit plan cash contribution under plan.

+ References

No definition available.

+ Details

Name:	dfz_DefinedBenefitPlanCashContributionUnderPlan
Namespace Prefix:	dfz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Defined benefit plan frozen date.

+ References

No definition available.

+ Details

Name:	dfz_DefinedBenefitPlanFrozenDate
Namespace Prefix:	dfz_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Defined benefit plan non contributory provision plan rate.

+ References

No definition available.

+ Details

Name:	dfz_DefinedBenefitPlanNonContributoryProvisionPlanRate
Namespace Prefix:	dfz_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Employee benefit plans decrease in basis point discount rate.

+ References

No definition available.

+ Details

Name:	dfz_EmployeeBenefitPlansDecreaseInBasisPointDiscountRate
Namespace Prefix:	dfz_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dfz_EmployeeRetirementPlansTextualAbstract
Namespace Prefix:	dfz_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (s)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 158

-Paragraph 7

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph s

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

X

- Definition

The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (s)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 158

-Paragraph 7

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph s

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of benefits expected to be paid in the remainder of the fiscal year following the latest fiscal year ended from a defined benefit plan.

+ References

No definition available.

+ Details

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