Name:	gsig_AcquisitionAndDivestitureRelatedCharges
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Acquisition related incentive compensation expense (benefit).

No definition available.

Name:	gsig_AcquisitionRelatedIncentiveCompensationExpenseBenefit
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This element represents divestiture-related costs incurred to effect a business divestiture which costs have been expensed during the period. Such costs include advisory, legal, accounting, valuation, and other professional or consulting fees.

No definition available.

Name:	gsig_BusinessDivestitureRelatedCharges
Namespace Prefix:	gsig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

This element represents (i) restructuring charges, which are amounts charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted; and (ii) acquisition-related costs, which are costs incurred to effect a business combination which costs have been expensed during the period. Such costs can include transaction costs such as banking, legal, accounting and other costs directly related to effect a business combination as well as external, incremental costs of integration planning that are directly related to a business combination, including costs associated with preparing for systems and other integration activities.

No definition available.

Name:	gsig_RestructuringChargesAcquisitionAndDivestureRelatedCosts
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Amount of expenses (benefits) associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

No definition available.

Name:	gsig_RestructuringChargesBenefitsNet
Namespace Prefix:	gsig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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.

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=34752592&loc=d3e1043-128460

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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