XML 22 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Acquisition Related Costs Recognized in Consolidated Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Redomestication [Line Items] |  |
Acquisition-related charges | $ 1,630 | $ 791
NDS Acquisition |  |
Redomestication [Line Items] |  |
Acquisition-related charges | 1,164 | 685
Cumulative Costs | NDS Acquisition |  |
Redomestication [Line Items] |  |
Acquisition-related charges | $ 1,849 |

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

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration