Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities:
Net income	$ 63,303	$ 52,981
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	39,642	42,515
Amortization of convertible debt discount	0	731
(Gain) loss on disposition of property, plant and equipment	(1,302)	78
Stock compensation expense	4,890	4,108
Withholding taxes paid on stock issuances	(746)	(806)
Changes in assets and liabilities:
Accounts receivable	(8,902)	(39,359)
Inventories	(2,768)	(6,409)
Prepaid expenses and other current assets	(10,448)	(3,204)
Accounts payable	14,742	12,796
Accrued liabilities	(14,202)	2,934
Deferred income taxes	629	1,307
Long-term retirement benefits	(745)	(4,326)
Other	1,818	1,567
Net cash provided by operating activities	85,911	64,913
Investing activities:
Proceeds from disposition of property, plant and equipment	2,058	474
Payments for the sale of businesses	0	(1,181)
Capital expenditures	(22,376)	(25,802)
Component Repair Program payments	(19,000)	(41,000)
Other	(651)	(858)
Net cash used by investing activities	(39,969)	(68,367)
Financing activities:
Net change in other borrowings	13,738	11,186
Payments on long-term debt	(85,821)	(78,467)
Proceeds from the issuance of long-term debt	68,722	90,383
Payment of assumed liability to Otto Männer Holding AG	0	(19,796)
Proceeds from the issuance of common stock	9,691	9,395
Common stock repurchases	(11,465)	(8,389)
Dividends paid	(13,126)	(11,937)
Excess tax benefit on stock awards	1,574	2,671
Other	8,487	(137)
Net cash used by financing activities	(8,200)	(5,091)
Effect of exchange rate changes on cash flows	(1,814)	(71)
Increase (decrease) in cash and cash equivalents	35,928	(8,616)
Cash and cash equivalents at beginning of period	46,039	70,856
Cash and cash equivalents at end of period	$ 81,967	62,240
Intangible assets acquired		$ 39,000