Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 23,362	$ 18,757
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	11,919	10,961
Pension and Other Postretirement Expense (Income)	502	213
Stock-based compensation	2,793	2,186
Deferred income taxes	1,937	(648)
Restructuring impairment charges	892	0
Gain (Loss) on Disposition of Assets	122	(2)
Loss (gain) on foreign currency hedges, net of cash	88	(76)
Changes in assets and liabilities:
Accounts receivable	(5,394)	(5,452)
Inventories	360	(5,275)
Other assets	(4,126)	1,280
Accounts payable	(1,582)	4,779
Accrued payroll and benefits	(4,713)	(2,028)
Accrued liabilities	(3,622)	247
Income taxes payable	(588)	3,034
Other liabilities	2,622	(101)
Pension and other post-retirement plans	(144)	(158)
Net cash provided by operating activities	24,184	27,721
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(9,430)	(14,910)
Proceeds from sale of assets	122	1
Net cash used in investing activities	(9,308)	(14,909)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of long-term debt	(309,100)	(749,200)
Proceeds from borrowings of long-term debt	309,100	729,900
Payments for Repurchase of Common Stock	(5,002)	0
Dividends paid	(2,625)	(2,638)
Payments Related to Tax Withholding for Share-based Compensation	(2,637)	(1,429)
Net cash used in financing activities	(10,264)	(23,367)
Effect of exchange rate changes on cash and cash equivalents	33	(156)
Net increase (decrease) in cash and cash equivalents	4,645	(10,711)
Cash and cash equivalents at beginning of period	100,933	113,572
Cash and cash equivalents at end of period	105,578	102,861
Supplemental cash flow information:
Cash paid for interest	574	995
Cash paid for income taxes, net	5,448	3,724
Capital expenditures incurred but not yet paid	$ 4,807	$ 3,944