XML 66 R34.htm IDEA: XBRL DOCUMENT v2.4.1.9

Plants Shutdowns, Asset Impairments, Restructurings And Other (Schedule Of Accrued Expenses Associated With Asset Impairments And Exit And Disposal Activities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Restructuring Reserve [Roll Forward]
January 1, 2015	$ 447us-gaap_RestructuringReserve
Charges	(52)us-gaap_RestructuringCharges
Cash spent	(194)us-gaap_PaymentsForRestructuring
March 31, 2015	201us-gaap_RestructuringReserve
Severance
Restructuring Reserve [Roll Forward]
January 1, 2015	246us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember
Charges	(67)us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember
Cash spent	(179)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember
March 31, 2015	0us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember
Other
Restructuring Reserve [Roll Forward]
January 1, 2015	201us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = tg_OtherAccruedExpensesMember	[1]
Charges	15us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = tg_OtherAccruedExpensesMember	[1]
Cash spent	(15)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = tg_OtherAccruedExpensesMember	[1]
March 31, 2015	$ 201us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = tg_OtherAccruedExpensesMember	[1]
[1] Other includes other shutdown-related costs associated with the shutdown of the Company’s aluminum extrusions manufacturing facility in Kentland, Indiana.

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

Name:	us-gaap_PaymentsForRestructuring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.P.3)

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

+ Details

Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

+ Details

Name:	us-gaap_RestructuringReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_RestructuringReserveRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=tg_OtherAccruedExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: