CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITES
Net income	$ 6,074	$ 7,257
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	3,731	3,593
Amortization expense (including deferred financing fees)	354	360
Loss (gain) on disposal of fixed assets	2	(35)
Write off of deferred financing fees		477
Unrealized foreign currency (gain) loss	(1,123)	1,358
Stock-based compensation	2,823	2,632
Other non-cash items	7	1
Changes in assets and liabilites:
Customer receivables	15,741	12,075
Inventories	1,223	(7,287)
Accounts payable	(16,046)	(7,668)
Current and deferred income taxes	(4,976)	(11,929)
Other current assets	(1,099)	689
Other current liabilities	(10,353)	(14,529)
Other noncurrent assets and liabilities	(491)	(1,297)
Cash used in operating activities	(4,133)	(14,303)
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, net	(6,626)	(3,024)
Purchase of business, net of cash acquired		(5,968)
Purchase of intangibles	(275)	(175)
Cash used in investing activities	(6,901)	(9,167)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from revolving credit facility	63,000	342,000
Repayment of revolving credit facility	(63,000)	(326,000)
Payment of financing fees	(9)	(2,806)
Payment of dividends	(5,629)	(4,661)
Proceeds from the issuance of common stock	2,134	400
Purchase of common stock for treasury	(2,331)	(2,490)
Tax benefit from the exercise of stock options and vesting of equity awards	192	78
Cash (used in) provided by financing activities	(5,643)	6,521
Effect of exchange rate changes on cash and cash equivalents	(578)	434
Decrease in cash and cash equivalents	(17,255)	(16,515)
Cash and cash equivalents at beginning of period	29,956	28,263
Cash and cash equivalents at end of period	$ 12,701	$ 11,748