Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 26,552	$ 46,216
Receivables, net of allowance of $11,308 and $7,835	301,963	262,773
Inventory	49,703	49,571
Income tax receivable	892	512
Deferred income taxes	0	16,521
Prepaid expenses and other current assets	17,950	25,764
Total current assets	397,060	401,357
Property, plant and equipment, net	203,219	203,130
Intangible assets, net of accumulated amortization of $54,184 and $37,309	160,161	176,104
Goodwill	284,804	355,786
Other assets, net	5,798	4,826
Deferred income taxes	4,793	6,215
Total assets	1,055,835	1,147,418
Current liabilities:
Current-portion of long term debt	0	20,000
Accounts payable	55,312	47,817
Other accrued liabilities	92,472	79,904
Total current liabilities	147,784	147,721
Deferred income taxes	38,100	93,318
Long-term debt	387,749	346,911
Defined benefit pension liability	14,976	21,239
Other long-term liabilities	9,758	2,592
Total liabilities	598,367	611,781
Commitments and contingencies
Equity:
Preferred stock, 500,000 shares authorized, none issued	0	0
Common stock, par value $0.30 per share, 60,000,000 shares authorized; 29,953,041 and 29,784,734 shares issued	8,984	8,934
Additional paid-in capital	352,500	336,756
Retained earnings	115,780	218,947
Accumulated other comprehensive loss	(19,796)	(29,000)
Total equity	457,468	535,637
Total liabilities and equity	$ 1,055,835	$ 1,147,418