XML 48 R6.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Consolidated Statements Of Comprehensive Income [Abstract] |  |
Foreign currency translation adjustment, (benefit) tax | $ (634) | $ 1,033
Derivative financial instruments adjustment, tax (benefit) | (299) | 289
Amortization of prior service costs and net gains or losses, tax | $ 1,336 | $ 943

X
- Definition Tax effect of the reclassification of actuarial gains/losses and prior service costs to net periodic benefit cost in the current period. + References No definition available. + Details
Name: | tg_AmortizationOfPriorServiceCostsAndNetGainsLossTax
Namespace Prefix: | tg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other comprehensive income foreign currency translation adjustment gain loss arising during period tax. + References No definition available. + Details
Name: | tg_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentGainLossArisingDuringPeriodTax
Namespace Prefix: | tg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Tax effect, net of reclassification adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e640-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration