CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITES
Net earnings	$ 34,654	$ 22,512
Adjustments to reconcile net earnings to cash provided by (used in) operating activities:
Depreciation	11,740	11,176
Amortization expense (including deferred financing fees)	3,095	1,064
Loss on disposal of property, plant, and equipment	0	126
Unrealized foreign currency gains	(3,680)	(2,177)
Stock-based compensation	5,869	8,011
Other non-cash items	127	22
Changes in assets and liabilities, net of acquisition:
Customer receivables	10,239	15,259
Inventories	(18,595)	3,878
Accounts payable	5,046	(9,646)
Current and deferred income taxes	10,508	(2,241)
Prepaid and other current assets	(3,994)	532
Other current liabilities	(10,845)	(16,570)
Other noncurrent assets and liabilities	20,552	(597)
Cash provided by operating activities	64,716	31,349
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(31,992)	(20,486)
Purchase of business, net of cash acquired	(93,349)	0
Purchase of intangibles	(315)	(275)
Cash used in investing activities	(125,656)	(20,761)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from credit facility	692,000	206,000
Repayment of credit facility	(603,500)	(216,000)
Payment of financing fees	(1,930)	(13)
Payment of dividends	(17,015)	(16,888)
Proceeds from the issuance of common stock	2,788	2,234
Purchase of common stock for treasury	(6,412)	(2,729)
Excess tax benefit from the exercise of stock options and vesting of equity awards	210	246
Cash provided by (used in) financing activities	66,141	(27,150)
Effect of exchange rate changes on cash and cash equivalents	(1,527)	119
Increase (Decrease) in cash and cash equivalents	3,674	(16,443)
Cash and cash equivalents at beginning of period	12,026	29,956
Cash and cash equivalents at end of period	$ 15,700	$ 13,513