XML 126 R111.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Depreciation and Amortization by Reportable Segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Depreciation and Amortization |  |  |
Depreciation and amortization | $ 20,196 | $ 24,421 | $ 19,950
Laser Products |  |  |
Depreciation and Amortization |  |  |
Depreciation and amortization | 6,083 | 6,481 | 6,335
Vision Technologies |  |  |
Depreciation and Amortization |  |  |
Depreciation and amortization | 8,599 | 13,254 | 8,808
Precision Motion |  |  |
Depreciation and Amortization |  |  |
Depreciation and amortization | 2,533 | 1,943 | 1,979
Unallocated Corporate and Shared Services |  |  |
Depreciation and Amortization |  |  |
Depreciation and amortization | $ 2,981 | $ 2,743 | $ 2,828

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

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=gsig_LaserProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=gsig_VisionTechnologiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=gsig_PrecisionMotionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |