XML 42 R31.htm IDEA: XBRL DOCUMENT
v2.4.0.8

GOODWILL AND OTHER INTANGIBLES (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | The following table provides changes in the carrying value of goodwill by segment during the quarter ended December 31, 2013:
|  | At September 30, 2013 |  |  | Goodwill from 2014 acquisitions |  |  | Other adjustments including currency translations |  |  | At December 31, 2013 |
Home & Building Products |  | $ | 269,802 |  |  | $ | 11,168 |  |  | $ | — |  |  | $ | 280,970 |
Telephonics |  |  | 18,545 |  |  |  | — |  |  |  | — |  |  |  | 18,545 |
Plastics |  |  | 69,383 |  |  |  | — |  |  |  | (361 | ) |  |  | 69,022 |
Total |  | $ | 357,730 |  |  | $ | 11,168 |  |  | $ | (361 | ) |  | $ | 368,537 |
Schedule Of Identifiable Intangible Assets [Table Text Block] | The following table provides the gross carrying value and accumulated amortization for each major class of intangible assets:
|  | At December 31, 2013 |  |  |  |  |  | At September 30, 2013 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Average Life (Years) |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |
Customer relationships |  | $ | 172,246 |  |  | $ | 30,706 |  |  |  | 25 |  |  | $ | 166,985 |  |  | $ | 29,049 |
Unpatented technology |  |  | 6,804 |  |  |  | 3,047 |  |  |  | 12.5 |  |  |  | 6,804 |  |  |  | 2,916 |
Total amortizable intangible assets |  |  | 179,050 |  |  |  | 33,753 |  |  |  |  |  |  |  | 173,789 |  |  |  | 31,965 |
Trademarks |  |  | 80,782 |  |  |  | — |  |  |  |  |  |  |  | 79,567 |  |  |  | — |
Total intangible assets |  | $ | 259,832 |  |  | $ | 33,753 |  |  |  |  |  |  | $ | 253,356 |  |  | $ | 31,965 |

X
- Definition Tabular disclosure of the carrying value of intangible assets both subject to and not subject to amortization, excluding goodwill, in total and by major class. + References No definition available. + Details
Name: | gff_ScheduleOfIdentifiableIntangibleAssetsTableTextBlock
Namespace Prefix: | gff_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
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