XML 99 R88.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Other Operating Income (Expense), Net (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Components of Other Operating Income [Line Items] |  |
Other operating (income) expense | $ (498) | $ (462)
Provision for impairment of intangible assets | 4,943 |
Change in fair value of earn out consideration and deferred consideration (relating to business acquisitions) | (9,506) |
Other operating (income) expense, net | $ (5,061) | $ (462)

X
- Definition This element represents the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent/deferred consideration, assumed in a business combination. + References No definition available. + Details
Name: | g_BusinessCombinationContingentAndDeferredConsiderationArrangementsChangeInAmountOfContingentAndDeferredConsiderationLiability
Namespace Prefix: | g_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Components of Other Operating Income [Line Items] + References No definition available. + Details
Name: | g_ComponentsOfOtherOperatingIncomeLineItems
Namespace Prefix: | g_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of other operating income (expenses), not previously categorized, from items that are associated with the entity's operation. + References No definition available. + Details
Name: | g_OtherOperatingIncomeExpense
Namespace Prefix: | g_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
Name: | us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. + References No definition available. + Details
Name: | us-gaap_OtherOperatingIncomeExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration