XML 107 R41.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Goodwill (Tables) | 12 Months Ended
--- | ---
Dec. 28, 2013
GOODWILL [Abstract] |
Schedule of Goodwill [Table Text Block] | Changes in the carrying amount of goodwill (in thousands):
| Rendering | Bakery | Total
Balance at December 29, 2012 |  |  |
Goodwill | $ | 344,133 |  | $ | 53,150 |  | $ | 397,283 |
Accumulated impairment losses | (15,914 | ) | — |  | (15,914 | )
| 328,219 |  | 53,150 |  | 381,369 |
Goodwill acquired during year | 326,669 |  | — |  | 326,669 |
Impairment losses | — |  | — |  | — |
Foreign currency translation | (6,401 | ) | — |  | (6,401 | )
Balance at December 28, 2013 |  |  |  |  |  |
Goodwill | 664,401 |  | 53,150 |  | 717,551 |
Accumulated impairment losses | (15,914 | ) | — |  | (15,914 | )
| $ | 648,487 |  | $ | 53,150 |  | $ | 701,637 |

X
- Details
Name: | dar_GoodwillAbstract
Namespace Prefix: | dar_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration