XML 96 R76.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Debt And Credit Agreements (Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted EBITDA Levels) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2015
Line of Credit Facility [Line Items] |
Credit Spread Over LIBOR | 1.75%
Indebtedness-To-Adjusted EBITDA Ratio Greater Than 2.0x But Less Than Or Equal To 3.0x [Member] |
Line of Credit Facility [Line Items] |
Credit Spread Over LIBOR | 2.00%
Commitment Fee | 0.35%
Indebtedness-To-Adjusted EBITDA Ratio Greater Than 1.0x But Less Than Or Equal To 2.0x [Member] |
Line of Credit Facility [Line Items] |
Credit Spread Over LIBOR | 1.75%
Commitment Fee | 0.30%
Indebtedness-To-Adjusted EBITDA Ratio Less Than Or Equal To 1.0x [Member] |
Line of Credit Facility [Line Items] |
Indebtedness-to-Adjusted EBITDA Ratio | 1.0
Credit Spread Over LIBOR | 1.50%
Commitment Fee | 0.25%
Minimum | Indebtedness-To-Adjusted EBITDA Ratio Greater Than 2.0x But Less Than Or Equal To 3.0x [Member] |
Line of Credit Facility [Line Items] |
Indebtedness-to-Adjusted EBITDA Ratio | 2.0
Minimum | Indebtedness-To-Adjusted EBITDA Ratio Greater Than 1.0x But Less Than Or Equal To 2.0x [Member] |
Line of Credit Facility [Line Items] |
Indebtedness-to-Adjusted EBITDA Ratio | 1.0
Maximum | Indebtedness-To-Adjusted EBITDA Ratio Greater Than 2.0x But Less Than Or Equal To 3.0x [Member] |
Line of Credit Facility [Line Items] |
Indebtedness-to-Adjusted EBITDA Ratio | 3.0
Maximum | Indebtedness-To-Adjusted EBITDA Ratio Greater Than 1.0x But Less Than Or Equal To 2.0x [Member] |
Line of Credit Facility [Line Items] |
Indebtedness-to-Adjusted EBITDA Ratio | 2.0

X
- Definition Credit spread over LIBOR basis points. + References No definition available. + Details
Name: | tg_CreditSpreadOverLondonInterbankOfferedRateBasisPoints
Namespace Prefix: | tg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line Of Credit Facility Covenant Terms Debt To Ebitda Ratio + References No definition available. + Details
Name: | tg_LineOfCreditFacilityCovenantTermsDebtToEbitdaRatio
Namespace Prefix: | tg_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=tg_IndebtednessToAdjustedEbitdaRatioGreaterThanTwoButLessThanOrEqualToThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=tg_IndebtednessToAdjustedEbitdaRatioGreaterThanOneButLessThanOrEqualToTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=tg_IndebtednessToAdjustedEbitdaRatioLessThanOrEqualToOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |