Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 34,660	$ 34,397
Restricted Cash, Current	5,109	0
Accounts and other receivables, net of allowance for doubtful accounts and sales returns of $3,206 in 2019 and $2,937 in 2018	116,370	124,727
Income Taxes Receivable, Current	2,923	6,783
Inventories	93,359	93,810
Prepaid expenses and other	8,501	9,564
Total current assets	260,922	269,281
Property, plant and equipment, at cost	795,045	793,072
Less accumulated depreciation	(559,330)	(564,703)
Net property, plant and equipment	235,715	228,369
Operating Lease, Right-of-Use Asset	19,610	0
Investment in kaleo	91,200	84,600
Intangible Assets, Net (Excluding Goodwill)	34,530	36,295
Goodwill	81,404	81,404
Deferred Tax Assets, Net, Noncurrent	1,343	3,412
Other assets	5,376	4,012
Total assets	730,100	707,373
Current liabilities:
Accounts payable	106,871	112,758
Accrued expenses	46,479	42,495
Operating Lease, Liability, Current	2,650	0
Short-term Lease Commitment, Amount		0
Total current liabilities	156,000	155,253
Operating Lease, Liability, Noncurrent	18,526
Long-term debt	73,000	101,500
Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent	83,965	88,124
Deferred income taxes	4,402	0
Other noncurrent liabilities	5,931	7,639
Total liabilities	341,824	352,516
Shareholders’ equity:
Common stock, no par value (issued and outstanding - 33,353,082 shares at June 30, 2019 and 33,176,024 shares at December 31, 2018)	41,227	38,892
Common stock held in trust for savings restoration plan (73,853 shares at June 30, 2019 and 72,883 shares at December 31, 2018)	(1,575)	(1,559)
Foreign currency translation adjustment	(97,223)	(96,940)
Gain (loss) on derivative financial instruments	(1,333)	(1,601)
Pension and other post-retirement benefit adjustments	(77,289)	(81,446)
Retained earnings	524,469	497,511
Total shareholders’ equity	388,276	354,857
Total liabilities and shareholders’ equity	$ 730,100	$ 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).