XML 31 R37.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Exit Activity Costs and Asset Impairments (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2015
Restructuring and Related Activities [Abstract] |
Summary Of Exit Activity Costs And Asset Impairments By Segment | The following table provides a summary of asset impairments and exit activity costs (gains) incurred by segment during the three and nine months ended September 30, (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Residential Products | $ | 757 |  |  | $ | 487 |  |  | $ | (2,572 | ) |  | $ | 632 |
Industrial and Infrastructure Products | 8 |  |  | 175 |  |  | 49 |  |  | 634 |
Net asset impairment and exit activity charges (gains) | $ | 765 |  |  | $ | 662 |  |  | $ | (2,523 | ) |  | $ | 1,266 |
Summary Of Exit Activity Costs And Asset Impairments | The following table provides a summary of where the asset impairments and exit activity costs (gains) were recorded in the statement of operations for the three and nine months ended September 30, (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Cost of sales | $ | 666 |  |  | $ | 378 |  |  | $ | 4,027 |  |  | $ | 580 |
Selling, general, and administrative expense | 99 |  |  | 284 |  |  | (6,550 | ) |  | 686 |
Net asset impairment and exit activity charges (gains) | $ | 765 |  |  | $ | 662 |  |  | $ | (2,523 | ) |  | $ | 1,266 |
Reconciliation Of Liability For Exit Activity Costs Relating To Facility Consolidation Efforts | The following table reconciles the beginning and ending liability for exit activity costs relating to the Company’s facility consolidation efforts (in thousands):
| 2015 |  | 2014
Balance at January 1 | $ | 575 |  |  | $ | 1,092 |
Exit activity costs recognized | 1,029 |  |  | 1,820 |
Cash payments | (1,083 | ) |  | (2,275 | )
Balance at September 30 | $ | 521 |  |  | $ | 637 |

X
- Definition Summary of exit activity costs and asset impairments by segment. + References No definition available. + Details
Name: | rock_SummaryOfExitActivityCostsAndAssetImpairmentsBySegmentTableTextBlock
Namespace Prefix: | rock_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration