Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities:
Net income	$ 118,663	$ 98,888
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	68,535	58,949
Gain on disposition of property, plant and equipment	(96)	(475)
Stock compensation expense	8,472	8,620
Changes in assets and liabilities, net of the effects of acquisitions:
Accounts receivable	(26,773)	(18,461)
Inventories	(11,454)	4,626
Prepaid expenses and other current assets	(2,398)	(296)
Accounts payable	14,134	9,799
Accrued liabilities	28,889	13,028
Deferred income taxes	(18,063)	998
Long-term retirement benefits	(11,469)	(16,026)
Other	(677)	461
Net cash provided by operating activities	167,763	160,111
Investing activities:
Proceeds from disposition of property, plant and equipment	401	715
Capital expenditures	(41,957)	(32,920)
Business acquisitions, net of cash acquired	(8,922)	(120,675)
Component Repair Program payments	0	(900)
Other	(3,000)	0
Net cash used by investing activities	(53,478)	(153,780)
Financing activities:
Net change in other borrowings	(14,103)	(9,321)
Payments on long-term debt	(60,897)	(263,578)
Proceeds from the issuance of long-term debt	89,118	288,982
Proceeds from the issuance of common stock	1,731	2,463
Common stock repurchases	(23,300)	(15,660)
Dividends paid	(22,042)	(20,444)
Withholding taxes paid on stock issuances	(4,851)	(4,881)
Other	(17,773)	3,406
Net cash used by financing activities	(52,117)	(19,033)
Effect of exchange rate changes on cash flows	5,856	717
Increase (decrease) in cash and cash equivalents	68,024	(11,985)
Cash and cash equivalents at beginning of period	66,447	83,926
Cash and cash equivalents at end of period	$ 134,471	71,941
Recognition of liabilities with FOBHOA acquisition		$ 12,436