Debt Instrument, Notice Period

No definition available.

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- Definition

Debt Instrument, Percentage of Origanal Principal Amount Eligible For Redemption

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Redemption, Percentage of Principal Amount That Remains Outstanding After Redemption

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Debt Instrument, Redemption Period

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Redemption Price Before December 15 2013

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Default Event Percent of Principal Held in Order to Declare Notes Due and Payable Immediately

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of Credit Facility, Term

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Percent of Capital Stock of Foreign Subsidiary's Pledged to Secure Credit Agreement Obligation

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Percent of Stock of Material Domestic Subsidiary's Pledged to Secure Credit Agreement Obligation

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-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_DebtInstrumentFaceAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

When presenting a range of interest rates, the lowest effective rate for funds borrowed under the debt agreement 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 22

-Article 5

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 210.5-02.22(a)(1))

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

+ Details

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

+ Details

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- Details

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- 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

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Balance Type:	credit
Period Type:	instant

- 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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ 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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-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

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 20

-Subparagraph b

-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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Balance Type:	credit
Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-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 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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Debt (Details) (USD $)	3 Months Ended		0 Months Ended	3 Months Ended					0 Months Ended	3 Months Ended		3 Months Ended						3 Months Ended						3 Months Ended
Debt (Details) (USD $)	Mar. 30, 2013	Mar. 31, 2012	Dec. 17, 2010 Secured Debt [Member] Revolving Credit Facility	Mar. 30, 2013 Secured Debt [Member] Revolving Credit Facility	Dec. 29, 2012 Secured Debt [Member] Revolving Credit Facility	Mar. 25, 2011 Secured Debt [Member] Revolving Credit Facility	Mar. 24, 2011 Secured Debt [Member] Revolving Credit Facility	Mar. 25, 2011 Secured Debt [Member] Darling International Senior Secured Swingline Sub Facility [Member]	Dec. 17, 2010 Secured Debt [Member] Term Loan [Member]	Mar. 30, 2013 Secured Debt [Member] Term Loan [Member]	Dec. 29, 2012 Secured Debt [Member] Term Loan [Member]	Mar. 30, 2013 Unsecured Debt [Member] Darling International Senior Unsecured Notes [Member]	Dec. 29, 2012 Unsecured Debt [Member] Darling International Senior Unsecured Notes [Member]	Dec. 17, 2010 Unsecured Debt [Member] Darling International Senior Unsecured Notes [Member]	Mar. 30, 2013 Letter of Credit [Member] Darling International Senior Secured Letter of Credit Sub Facility [Member]	Dec. 29, 2012 Letter of Credit [Member] Darling International Senior Secured Letter of Credit Sub Facility [Member]	Mar. 25, 2011 Letter of Credit [Member] Darling International Senior Secured Letter of Credit Sub Facility [Member]	Mar. 30, 2013 Minimum [Member] Unsecured Debt [Member] Darling International Senior Unsecured Notes [Member]	Mar. 30, 2013 Maximum [Member] Unsecured Debt [Member] Darling International Senior Unsecured Notes [Member]	Mar. 30, 2013 Alternate Base Rate [Member] Term Loan [Member]	Mar. 30, 2013 Alternate Base Rate [Member] Minimum [Member]	Mar. 30, 2013 Alternate Base Rate [Member] Maximum [Member]	Mar. 30, 2013 LIBOR Rate [Member]	Mar. 30, 2013 LIBOR Rate [Member] Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Term			5 years						6 years
Line of Credit Facility Maximum Borrowing Capacity				$ 415,000,000	$ 415,000,000	$ 415,000,000	$ 325,000,000	$ 15,000,000									$ 75,000,000
Company availability under revolving loan facility				384,886,000	384,881,000
Outstanding borrowings and letter of credit issued				0	0										30,114,000	30,119,000
Original amount of term loan									300,000,000	0	0	250,000,000	250,000,000
Amount repaid of the original term loan issued	21,000	30,002,000								30,000,000
Write-off of a portion of the senior term loan facilities deferred loan costs				700,000
Debt Instrument Additional Interest Rate Percentage																				2.50%	0.50%	1.00%	1.00%	3.50%
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum																				2.50%				1.50%
Face amount of debt insturment														$ 250,000,000
Annual Interest rate on 8.5% Senior Notes due 2018														8.50%
Debt Instrument, Percentage of Original Principal Amount Eligible For Redemption																			35.00%
Debt Instrument, Redemption Price Before December 15 2013												108.50%
Debt Instrument, Redemption, Percentage of Principal Amount That Remains Outstanding After Redemption												65.00%
Default event, percent of principal held in order to declare notes due and payable immediately																		25.00%
Pledge of stock	100.00%
Pledge of Capital stock	65.00%
Debt Instrument, Notice Period																		30 days	60 days
Debt Instrument, Redemption Period												90 days