XML 36 R45.htm IDEA: XBRL DOCUMENT v2.4.0.6

Subsequent Events - Refinancing of Credit Facility (Details) (USD $)	3 Months Ended		8 Months Ended
	Mar. 27, 2013	Mar. 28, 2012	Dec. 25, 2013 Subsequent Event [Member] Credit Facility Due April 2018 [Member]	Apr. 24, 2013 Subsequent Event [Member] Credit Facility Due April 2018 [Member]	Apr. 24, 2013 Subsequent Event [Member] Secured Debt [Member] Credit Facility Due April 2018 [Member]	Apr. 24, 2013 Subsequent Event [Member] Senior secured revolver [Member] Credit Facility Due April 2018 [Member]	Apr. 24, 2013 Subsequent Event [Member] Letter of Credit [Member] Credit Facility Due April 2018 [Member]
Subsequent Events [Line Items]
Aggregate principal amount as per new credit facility				$ 250,000,000
Line of Credit Facility, Current Borrowing Capacity					60,000,000	190,000,000	30,000,000
Outstanding amount under credit facility						105,000,000
Basis spread on variable rate debt					2.00%
Accordion Feature That Allows Increase In Size Of Facility				300,000,000
Debt Instrument, Periodic Amortization, Principal, Years One and Two			5.00%
Debt Instrument, Periodic Amortization, Principal, Years Three and Four			7.50%
Debt Instrument, Periodic Amortization, Principal, Year Five			10.00%
Gains (Losses) on Extinguishment of Debt	$ (349,000)	$ (217,000)	$ (1,200,000)

X

- Definition

Represents the amount the accordion feature allows the entity to increase the size of the credit facility to.

+ References

No definition available.

+ Details

Name:	denn_AccordionFeatureThatAllowsIncreaseInSizeOfFacility
Namespace Prefix:	denn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Annual amortization percentage of the original principal balance of term loan debt required to be paid in year five.

+ References

No definition available.

+ Details

Name:	denn_DebtInstrumentPeriodicAmortizationPrincipalYearFive
Namespace Prefix:	denn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Annual amortization percentage of the original principal balance of term loan debt required to be paid in years one and two.

+ References

No definition available.

+ Details

Name:	denn_DebtInstrumentPeriodicAmortizationPrincipalYearsOneAndTwo
Namespace Prefix:	denn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Annual amortization percentage of the original principal balance of term loan debt required to be paid in years three and four.

+ References

No definition available.

+ Details

Name:	denn_DebtInstrumentPeriodicAmortizationPrincipalYearsThreeAndFour
Namespace Prefix:	denn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 26

-Paragraph 20, 21

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629

+ Details

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

X

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

X

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

X

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration