XML 76 R58.htm IDEA: XBRL DOCUMENT v3.10.0.1

Segment Reporting Schedule of Revenue by Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Freight	$ 8,440	$ 7,912	$ 17,229	$ 16,218
Net Sales	255,319	239,435	505,241	452,154
UNITED STATES
Disaggregation of Revenue [Line Items]
Net Sales	171,185	154,710	330,747	284,611
PE Films
Disaggregation of Revenue [Line Items]
Net Sales	82,457	89,639	175,707	176,050
PE Films | Personal Care Materials [Member]
Disaggregation of Revenue [Line Items]
Net Sales	55,985	62,790	117,629	124,088
PE Films | Surface Protection Films [Member]
Disaggregation of Revenue [Line Items]
Net Sales	24,918	24,996	54,733	48,437
PE Films | Films For Other Markets [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,555	1,853	3,345	3,526
PE Films | Film Products Subtotal [Member]
Disaggregation of Revenue [Line Items]
Net Sales	82,458	89,639	175,707	176,051
Flexible Packaging Films [Member] [Domain]
Disaggregation of Revenue [Line Items]
Net Sales	28,304	26,588	56,741	53,297
Aluminum Extrusions
Disaggregation of Revenue [Line Items]
Net Sales	144,558	123,208	272,793	222,807
Aluminum Extrusions | Nonresidential Building And Construction [Member]
Disaggregation of Revenue [Line Items]
Net Sales	72,442	61,173	137,629	114,347
Aluminum Extrusions | Consumer Durables [Member]
Disaggregation of Revenue [Line Items]
Net Sales	17,161	14,024	32,309	25,766
Aluminum Extrusions | Distribution [Member]
Disaggregation of Revenue [Line Items]
Net Sales	12,031	9,408	22,961	15,842
Aluminum Extrusions | Automotive [Member]
Disaggregation of Revenue [Line Items]
Net Sales	11,157	10,112	20,787	20,265
Aluminum Extrusions | Residential Building And Construction [Member]
Disaggregation of Revenue [Line Items]
Net Sales	12,343	13,068	21,813	19,528
Aluminum Extrusions | Aluminum Extrusions Subtotal [Member]
Disaggregation of Revenue [Line Items]
Net Sales	144,557	123,208	272,793	222,806
Aluminum Extrusions | Machinery and Equipment BNL [Domain]
Disaggregation of Revenue [Line Items]
Net Sales	9,867	8,606	19,144	15,545
Aluminum Extrusions | Electrical [Member]
Disaggregation of Revenue [Line Items]
Net Sales	9,556	6,817	18,150	11,513
Exports From United States [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Net Sales	18,884	21,165	42,476	39,887
Exports From United States [Member] | CANADA
Disaggregation of Revenue [Line Items]
Net Sales	14,239	11,510	27,537	24,602
Exports From United States [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,697	2,275	3,519	4,633
Exports From United States [Member] | Latin America [Member]
Disaggregation of Revenue [Line Items]
Net Sales	3,654	3,991	6,706	7,721
Operations Outside United States [Member] | BRAZIL
Disaggregation of Revenue [Line Items]
Net Sales	23,659	21,294	46,811	42,653
Operations Outside United States [Member] | NETHERLANDS
Disaggregation of Revenue [Line Items]
Net Sales	11,394	12,927	23,322	25,687
Operations Outside United States [Member] | HUNGARY
Disaggregation of Revenue [Line Items]
Net Sales	8,519	6,138	17,337	11,329
Operations Outside United States [Member] | CHINA
Disaggregation of Revenue [Line Items]
Net Sales	1,692	2,710	3,966	6,115
Operations Outside United States [Member] | INDIA
Disaggregation of Revenue [Line Items]
Net Sales	$ 396	$ 2,715	$ 2,820	$ 4,916

X

- Definition

Aggregrate revenue during the period from the sales of goods in the normal course of business, after deducting returns, allowances, discounts, and charges for outbound freight.

+ References

No definition available.

+ Details

Name:	tg_NetSales
Namespace Prefix:	tg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_DisaggregationOfRevenueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 45
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=68080631&loc=d3e61069-111654

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 45
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=68075638&loc=d3e60635-111653

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18726-107790

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 45
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82851458&loc=d3e221937-122793

+ Details

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

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tg_PEFilmsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_PersonalCareMaterialsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_SurfaceProtectionFilmsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_FilmsForOtherMarketsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_FilmProductsSubtotalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tg_FlexiblePackagingFilmsMemberDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tg_AluminumExtrusionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_NonresidentialBuildingAndConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_ConsumerDurablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_DistributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_AutomotiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_ResidentialBuildingAndConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_AluminumExtrusionsSubtotalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_MachineryandEquipmentBNLDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tg_ElectricalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tg_ExportsFromUnitedStatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_AsiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_LatinAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tg_OperationsOutsideUnitedStatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_BR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_NL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_HU
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_IN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: