v2.4.0.6

Fair Value Measurement (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2012
Financial Milestones [Member]
Fair Value Assumptions [Line Items]
Contingent Consideration Fair Value	$ 830
Risk Adjusted Discount Rate For Contingent Consideration	12.00%
Contingent Consideration Liability Projected Year Of Payment	2014
Development Milestones [Member]
Fair Value Assumptions [Line Items]
Contingent Consideration Fair Value	$ 720
Risk Adjusted Discount Rate For Contingent Consideration	20.00%
Contingent Consideration Liability Projected Year Of Payment	2014

X

- Definition

Fair value, as of the balance sheet date, of potential payments under the contingent consideration arrangement

+ References

No definition available.

+ Details

Name:	gb_ContingentConsiderationFairValue
Namespace Prefix:	gb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

contingent consideration liability, projected year of payment

+ References

No definition available.

+ Details

Name:	gb_ContingentConsiderationLiabilityProjectedYearOfPayment
Namespace Prefix:	gb_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	gb_FairValueAssumptionsLineItems
Namespace Prefix:	gb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Risk-adjusted discount rate for contingent consideration

+ References

No definition available.

+ Details

Name:	gb_RiskAdjustedDiscountRateForContingentConsideration
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant