Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 130,187	$ 65,840
Receivables, net	276,082	268,529
Inventories	199,565	189,680
Deferred tax asset	11,750	11,272
Prepaid expenses and other current assets	15,034	11,016
Assets of discontinued operations		13,103
Total current assets	632,618	559,440
Property, plant and equipment, net	227,050	217,010
Goodwill	93,781	94,064
Other intangible assets, net	23,870	25,900
Other assets	9,813	6,086
Assets of discontinued operations		65,917
Total assets	987,132	968,417
LIABILITIES AND STOCKHOLDERS’ EQUITY
Short-term debt	15,759	12,867
Accounts payable	88,328	88,586
Accrued liabilities	65,196	46,341
Liabilities of discontinued operations		5,957
Total current liabilities	169,283	153,751
Long-term debt, less current portion	172,771	172,786
Deferred tax liability	26,235	27,060
Other noncurrent liabilities	11,288	11,026
Liabilities of discontinued operations		22,740
Total liabilities	379,577	387,363
Commitments and contingencies (Note 9)
Common stock, $0.01 par value, 200,000,000 shares authorized and 98,032,555 and 98,030,839 shares issued, respectively	980	980
Paid-in capital	507,820	504,675
Accumulated other comprehensive loss	(8,279)	(9,484)
Retained earnings	195,349	160,338
Treasury stock, at cost; 11,904,275 and 10,832,845 shares, respectively	(88,315)	(75,455)
Total stockholders’ equity	607,555	581,054
Total liabilities and stockholders' equity	$ 987,132	$ 968,417