Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 18,450	$ 22,350
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	9,673	8,925
Pension and Other Postretirement Expense (Income)	(893)	(794)
Stock-based compensation	1,687	967
Deferred income taxes	4,497	2,877
Gain (Loss) on Disposition of Assets	(1)	11,351
Loss on foreign currency hedges, net of cash	73	43
Changes in assets and liabilities:
Accounts receivable	(1,950)	(5,805)
Inventories	(4,737)	842
Other assets	(76)	(2,115)
Accounts payable	1,616	169
Accrued payroll and benefits	(4,735)	3,553
Accrued expenses	(1,944)	(2,594)
Income taxes payable	(347)	800
Other liabilities	2,115	(1,466)
Pension and other post-retirement plans	(159)	(175)
Net cash provided by operating activities	23,271	16,226
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(9,110)	(7,483)
Proceeds from sale of assets	1	12,237
Payments for acquisitions, net of cash acquired	(19,265)	(73,063)
Net cash used in investing activities	(28,374)	(68,309)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of long-term debt	(790,600)	(1,462,100)
Proceeds from borrowings of long-term debt	794,300	1,482,200
Dividends paid	(2,624)	(2,612)
Net cash (used in) provided by financing activities	(493)	15,713
Payments Related to Tax Withholding for Share-based Compensation	(1,569)	(1,775)
Effect of exchange rate changes on cash and cash equivalents	(395)	(646)
Net decrease in cash and cash equivalents	(5,991)	(37,016)
Cash and cash equivalents at beginning of period	113,805	156,928
Cash and cash equivalents at end of period	107,814	119,912
Supplemental cash flow information:
Cash paid for interest	1,053	1,547
Cash paid for income taxes, net	$ 3,515	$ 8,703