XML 38 R25.htm IDEA: XBRL DOCUMENT
v3.3.1.900

RETIREMENT AND LONG-TERM INCENTIVE PLANS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Share-based Payments and Retirement Disclosure [Abstract] |
Summary of Status of Restricted Stock Awards | A summary of our restricted stock awards activity for the years ended December 31, 2015, 2014 and 2013 is presented in the table below.
| 2015 |  | 2014 |  | 2013
| Number of Shares |  | Weighted- Average Grant-Date Fair Value Per Share |  | Number of Shares |  | Weighted- Average Grant-Date Fair Value Per Share |  | Number of Shares |  | Weighted- Average Grant-Date Fair Value Per Share
Restricted shares at the beginning of period | 107,840 |  |  | $ | 24.27 |  |  | 178,950 |  |  | $ | 24.00 |  |  | 143,150 |  |  | $ | 24.28 |
Granted | 215,034 |  |  | 16.33 |  |  | 6,000 |  |  | 23.19 |  |  | 100,150 |  |  | 23.22 |
Vested | (41,112 | ) |  | 22.04 |  |  | (45,356 | ) |  | 23.35 |  |  | (38,188 | ) |  | 23.14 |
Forfeited | (18,798 | ) |  | 21.39 |  |  | (31,754 | ) |  | 23.85 |  |  | (26,162 | ) |  | 23.82 |
Restricted shares at the end of period | 262,964 |  |  | $ | 18.33 |  |  | 107,840 |  |  | $ | 24.27 |  |  | 178,950 |  |  | $ | 24.00 |

X
- Definition Share-based Payments and Retirement Disclosure [Abstract] + References No definition available. + Details
Name: | gifi_SharebasedPaymentsandRetirementDisclosureAbstract
Namespace Prefix: | gifi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration