Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 8,484	$ 7,863
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	4,708	4,021
Pension and other post-retirement plan income	(417)	(427)
Stock-based compensation	880	282
Restructuring and impairment charges	777	0
Deferred income taxes	2,313	(1,067)
Gain (Loss) on Disposition of Assets	(2)	3
Changes in assets and liabilities:
Accounts receivable	7	(8,122)
Inventories	(2,076)	966
Other assets	(16)	(3,330)
Accounts payable	942	1,647
Accrued payroll and benefits	(5,169)	2,584
Accrued expenses	(3,057)	(869)
Income taxes payable	248	735
Other liabilities	2,232	(1,398)
Pension and other post-retirement plans	(79)	(58)
Net cash provided by operating activities	9,779	2,824
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(3,806)	(2,877)
Proceeds from sale of assets	1	3
Payment for acquisition, net of cash acquired	0	(72,830)
Net cash used in investing activities	(3,805)	(75,704)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of long-term debt	(373,000)	(521,300)
Proceeds from borrowings of long-term debt	377,900	571,900
Dividends paid	(1,310)	(1,303)
Net cash provided by financing activities	2,024	47,522
Payments Related to Tax Withholding for Share-based Compensation	(1,566)	(1,775)
Effect of exchange rate changes on cash and cash equivalents	16	(606)
Net increase (decrease) in cash and cash equivalents	8,014	(25,964)
Cash and cash equivalents at beginning of period	113,805	156,928
Cash and cash equivalents at end of period	121,819	130,964
Supplemental cash flow information:
Cash paid for interest	529	736
Cash paid for income taxes, net	$ 1,386	$ 5,407