XML 47 R31.htm IDEA: XBRL DOCUMENT
v3.23.3

Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
--- | ---
Sep. 30, 2022
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule Of Reclassifications Of Balances Out Of Accumulated Other Comprehensive Income (Loss) Into Net Income | The changes in accumulated other comprehensive income (loss) by component for the nine months ended September 30, 2023.
(In thousands) | Foreign Currency Translation |  | Gain (Loss) on Derivative Financial Instruments |  | Pension & Other Postretirement Benefit Adjust |  | Total Accumulated Other Comprehensive Income (Loss)
Balance at January 1, 2023 | $ | (86,079) |  |  | $ | (2,480) |  |  | $ | (59,036) |  |  | $ | (147,595) |
Other comprehensive income (loss) | 1,563 |  |  | 7,852 |  |  | 442 |  |  | 9,857 |
Income tax (expense) benefit | (640) |  |  | (2,228) |  |  | — |  |  | (2,868) |
Other comprehensive income (loss), net of tax | 923 |  |  | 5,624 |  |  | 442 |  |  | 6,989 |
Reclassification adjustment to net income (loss) | — |  |  | (5,350) |  |  | 34,045 |  |  | 28,695 |
Income tax (expense) benefit | — |  |  | 1,432 |  |  | (7,492) |  |  | (6,060) |
Reclassification adjustment to net income (loss), net of tax | — |  |  | (3,918) |  |  | 26,553 |  |  | 22,635 |
Other comprehensive income (loss), net of tax | 923 |  |  | 1,706 |  |  | 26,995 |  |  | 29,624 |
Balance at September 30, 2023 | $ | (85,156) |  |  | $ | (774) |  |  | $ | (32,041) |  |  | $ | (117,971) |
The changes in accumulated other comprehensive income (loss) by component for the three months ended September 30, 2022.
(In thousands) | Foreign Currency Translation |  | Gain (Loss) on Derivative Financial Instruments |  | Pension & Other Postretirement Benefit Adjust |  | Total Accumulated Other Comprehensive Income (Loss)
Balance at July 1, 2022 | $ | (85,486) |  |  | $ | (2,330) |  |  | $ | (59,519) |  |  | $ | (147,335) |
Other comprehensive income (loss) | (2,488) |  |  | (2,205) |  |  | — |  |  | (4,693) |
Income tax (expense) benefit | 148 |  |  | 522 |  |  | — |  |  | 670 |
Other comprehensive income (loss), net of tax | (2,340) |  |  | (1,683) |  |  | — |  |  | (4,023) |
Reclassification adjustment to net income (loss) | — |  |  | (1,159) |  |  | 3,268 |  |  | 2,109 |
Income tax (expense) benefit | — |  |  | 295 |  |  | (712) |  |  | (417) |
Reclassification adjustment to net income (loss), net of tax | — |  |  | (864) |  |  | 2,556 |  |  | 1,692 |
Other comprehensive income (loss), net of tax | (2,340) |  |  | (2,547) |  |  | 2,556 |  |  | (2,331) |
Balance at September 30, 2022 | $ | (87,826) |  |  | $ | (4,877) |  |  | $ | (56,963) |  |  | $ | (149,666) |
The changes in accumulated other comprehensive income (loss) by component for the nine months ended September 30, 2022.
(In thousands) | Foreign Currency Translation |  | Gain (Loss) on Derivative Financial Instruments |  | Pension & Other Postretirement Benefit Adjust |  | Total Accumulated Other Comprehensive Income (Loss)
Balance at January 1, 2022 | $ | (85,792) |  |  | $ | 901 |  |  | $ | (64,613) |  |  | $ | (149,504) |
Other comprehensive income (loss) | (1,936) |  |  | (3,883) |  |  | — |  |  | (5,819) |
Income tax (expense) benefit | (98) |  |  | 442 |  |  | — |  |  | 344 |
Other comprehensive income (loss), net of tax | (2,034) |  |  | (3,441) |  |  | — |  |  | (5,475) |
Reclassification adjustment to net income (loss) | — |  |  | (3,156) |  |  | 9,786 |  |  | 6,630 |
Income tax (expense) benefit | — |  |  | 819 |  |  | (2,136) |  |  | (1,317) |
Reclassification adjustment to net income (loss), net of tax | — |  |  | (2,337) |  |  | 7,650 |  |  | 5,313 |
Other comprehensive income (loss), net of tax | (2,034) |  |  | (5,778) |  |  | 7,650 |  |  | (162) |
Balance at September 30, 2022 | $ | (87,826) |  |  | $ | (4,877) |  |  | $ | (56,963) |  |  | $ | (149,666) |
The amounts reclassified out of accumulated other comprehensive income (loss) related to pension and other postretirement benefits is included in the computation of net periodic pension costs. See Note 4 for additional details.

X
- Definition Schedule Of Reclassifications Of Balances Out Of Accumulated Other Comprehensive Income (Loss) Into Net Income [Table Text Block] + References No definition available. + Details
Name: | tg_ScheduleOfReclassificationsOfBalancesOutOfAccumulatedOtherComprehensiveIncomeLossIntoNetIncomeTableTextBlock
Namespace Prefix: | tg_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

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