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Fair Value Measurement (Recurring Measurement Table) (Details 3) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 29, 2013 | Mar. 30, 2012 | Dec. 28, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | $ 1,159,000 |  |
InterestRateDerivativeLiabilitiesAtFairValue | 626,000 |  |
Accrued Contingent Consideration | 1,600,000 |  | 1,530,000
Assets, Fair Value Disclosure [Abstract] |  |  |
Long Lived Assets Impairment Loss | 0 | 0 |
Cost And Equity Method Investments Aggregate Carrying Amount | 9,800,000 |  | 9,100,000
Fair Value, Inputs, Level 1 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 |  |
InterestRateDerivativeLiabilitiesAtFairValue | 0 |  |
Accrued Contingent Consideration | 0 |  |
Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 1,159,000 |  |
InterestRateDerivativeLiabilitiesAtFairValue | 626,000 |  |
Accrued Contingent Consideration | 0 |  |
Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 |  |
InterestRateDerivativeLiabilitiesAtFairValue | 0 |  |
Accrued Contingent Consideration | $ 1,600,000 |  |

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- Definition Estimated discounted potential payments under contingent consideration arrangements. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition This element represents the aggregate carrying amount of all cost and equity method investments held by the Company. + References No definition available. + Details
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Namespace Prefix: | gb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Long Lived Assets Impairment Loss + References No definition available. + Details
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- Details
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- Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents contracts related to the exchange of different currencies, including foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into and existing as of the balance sheet date. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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