CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net income	$ 11,739	$ 19,739
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	35,250	27,318
Employee benefit plan provisions	2,327	2,874
Stock-based compensation	3,315	3,124
Deferred income tax benefit	(3,824)	(1,308)
Changes in assets and liabilities — net of effects from foreign exchange:
Receivables	(14,933)	11,743
Inventories	(157)	(2,954)
Revenue in excess of billings on uncompleted contracts and other current assets	(12,365)	3,354
Accounts payable and other accrued liabilities	9,149	(10,069)
Pension contributions	(2,104)	(1,646)
Other items - net	(192)	(9)
Net cash provided by operating activities	28,205	52,166
Cash flows from investing activities
Purchase of business - net of cash	(1,234)
Capital expenditures	(40,945)	(23,355)
Proceeds from sale of assets	322	1,234
Net cash used in investing activities	(41,857)	(22,121)
Cash flows from financing activities
Credit agreement borrowings — long-term	112,902	70,249
Credit agreement repayments — long-term	(92,048)	(76,108)
Repayment of Japanese term loan - long-term		(4,001)
Treasury stock purchased	(355)	(8,644)
Common stock dividends paid	(7,640)	(7,585)
Proceeds from the exercise of stock options	388	268
Other financing	(10,916)
Net cash provided by (used in) financing activities	2,331	(25,821)
Effect of exchange rate changes on cash and cash equivalents	2,558	(619)
Net (decrease) increase in cash and cash equivalents	(8,763)	3,605
Cash and cash equivalents, beginning of period	37,984	53,629
Cash and cash equivalents, end of period	$ 29,221	$ 57,234