Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 36,886	$ 34,397
Restricted Cash, Current	7,766	0
Accounts and other receivables, net of allowance for doubtful accounts and sales returns of $3,140 in 2019 and $2,937 in 2018	115,661	124,727
Income Taxes Receivable, Current	5,263	6,783
Inventories	85,315	93,810
Prepaid expenses and other	9,438	9,564
Total current assets	260,329	269,281
Property, plant and equipment, at cost	796,829	793,072
Less accumulated depreciation	(560,493)	(564,703)
Net property, plant and equipment	236,336	228,369
Operating Lease, Right-of-Use Asset	19,526	0
Investment in kaleo	95,500	84,600
Intangible Assets, Net (Excluding Goodwill)	31,010	36,295
Goodwill	81,404	81,404
Deferred Tax Assets, Net, Noncurrent	1,740	3,412
Other assets	5,089	4,012
Total assets	730,934	707,373
Current liabilities:
Accounts payable	103,926	112,758
Accrued expenses	47,677	42,495
Operating Lease, Liability, Current	2,842	0
Short-term Lease Commitment, Amount		0
Total current liabilities	154,445	155,253
Operating Lease, Liability, Noncurrent	18,197
Long-term debt	68,000	101,500
Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent	80,665	88,124
Deferred income taxes	6,816	0
Other noncurrent liabilities	4,976	7,639
Total liabilities	333,099	352,516
Shareholders’ equity:
Common stock, no par value (issued and outstanding - 33,350,128 shares at September 30, 2019 and 33,176,024 shares at December 31, 2018)	42,708	38,892
Common stock held in trust for savings restoration plan (74,338 shares at September 30, 2019 and 72,883 shares at December 31, 2018)	(1,583)	(1,559)
Foreign currency translation adjustment	(103,231)	(96,940)
Gain (loss) on derivative financial instruments	(2,457)	(1,601)
Pension and other post-retirement benefit adjustments	(75,210)	(81,446)
Retained earnings	537,608	497,511
Total shareholders’ equity	397,835	354,857
Total liabilities and shareholders’ equity	$ 730,934	$ 707,373

Investment in kaleo

No definition available.

Name:	tg_Investmentinkaleo
Namespace Prefix:	tg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).