v2.4.0.6

Employee Retirement Plans (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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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% |  |

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- Definition Defined benefit plan cash contribution under plan. + References No definition available. + Details
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Namespace Prefix: | dfz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Defined benefit plan frozen date. + References No definition available. + Details
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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
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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
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Namespace Prefix: | dfz_
Data Type: | num:percentItemType
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X
- Details
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- 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
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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
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Period Type: | duration

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- 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
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Data Type: | xbrli:monetaryItemType
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