Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 48,259		$ 24,842		$ 38,251
Adjustments for noncash items:
Depreciation	30,683		29,828		34,079
Amortization of identifiable intangibles	13,601		3,976		6,198
Goodwill, Impairment Loss	0		46,792		0
Amortization of Leased Asset	2,588		0		0
Deferred income taxes	5,856		8,626		(36,414)
Accrued pension and postretirement benefits	(9,642)		(10,406)		(10,193)
(Gain) loss on investment in kaléo accounted for under the fair value method	(10,900)		(30,600)		(33,800)
Loss on asset impairments	519		223		101,282
(Gain) loss on sale of assets	(6,334)		(46)		553
Insurance Recoveries	0		0		(5,261)
Changes in assets and liabilities:
Accounts and other receivables	16,471		(11,883)		(10,566)
Inventories	11,315		(9,577)		(9,128)
Income taxes recoverable/payable	2,644		25,018		(24,449)
Prepaid expenses and other	795		(1,924)		(784)
Accounts payable and accrued expenses	(2,937)		5,571		21,123
Short-term Lease Payments	(2,723)		0		0
Payment for Pension and Other Postretirement Benefits	(8,614)		(8,907)		(5,829)
Other, net	4,998		5,449		2,767
Net cash provided by operating activities	115,863		97,794		88,215
Cash flows from investing activities:
Capital expenditures	(50,864)		(40,814)		(44,362)
Acquisitions, net of cash acquired	0		0		(87,110)
Proceeds from Previous Acquisition			4,250		0
Proceeds from Divestiture of Businesses	0		1,384		0
Proceeds from Insurance Settlement, Investing Activities	0		0		5,739
Payments of Financing Costs					0
Proceeds from the sale of assets and other	10,936		1,098		129
Net cash used in investing activities	(39,928)		(34,082)		(125,604)
Payments for Repurchase of Common Stock	(854)		(328)		124
Cash flows from financing activities:
Borrowings	65,500		76,750		190,750
Debt principal payments	(125,000)		(127,250)		(133,750)
Dividends paid	(15,325)		(14,592)		(14,532)
Proceeds from exercise of stock options and other	184		1,332		819
Net cash provided by (used in) financing activities:	(77,312)		(64,088)		43,163
Payments of Debt Issuance Costs	1,817		0
Effect of exchange rate changes on cash	(1,598)		(1,718)		1,206
Increase (decrease) in cash and cash equivalents	(2,975)		(2,094)		6,980
Cash and cash equivalents at beginning of period	34,397	[1]	36,491		29,511
Cash and cash equivalents at end of period	31,422	[1]	34,397	[1]	36,491
Supplemental cash flow information:
Interest payments	4,358		5,421		5,808
Income tax payments (refunds), net	$ 2,595		$ (24,020)		$ 9,193

[1] Information on exports and foreign operations are provided on the previous page. Cash and cash equivalents includes funds held in locations outside the U.S. of $23.0 million and $31.1 million at December 31, 2019 and 2018, respectively. Export sales relate almost entirely to PE Films. Operations outside the U.S. in The Netherlands, Hungary, China and India also relate to PE Films. Operations in Brazil are primarily related to Flexible Packaging Films, but also include PE Films operations. Sales from locations in The Netherlands and Hungary are primarily to customers located in Europe. Sales from locations in China (Guangzhou and Shanghai) are primarily to customers located in China, but also include other customers in Asia.