Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 29,154	$ 46,216
Receivables, net of allowance of $9,870 and $7,835	281,642	262,773
Inventory	51,293	49,571
Income tax receivable	0	512
Deferred income taxes	0	16,521
Prepaid expenses and other current assets	23,140	25,764
Total current assets	385,229	401,357
Property, plant and equipment, net	204,265	203,130
Intangible assets, net of accumulated amortization of $45,964 and $37,309	168,069	176,104
Goodwill	358,576	355,786
Other assets, net	4,573	4,826
Deferred income taxes	5,865	6,215
Total assets	1,126,577	1,147,418
Current liabilities:
Current portion of long-term debt	20,000	20,000
Accounts payable	46,709	47,817
Other accrued liabilities	82,676	79,904
Income taxes payable	87	0
Total current liabilities	149,472	147,721
Deferred income taxes	67,331	93,318
Long-term debt	361,865	346,911
Defined benefit pension liability	19,230	21,239
Other long-term liabilities	3,985	2,592
Total liabilities	601,883	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; 29,839,211 and 29,784,734 shares issued	8,950	8,934
Additional paid-in capital	341,152	336,756
Retained earnings	199,347	218,947
Accumulated other comprehensive loss	(24,755)	(29,000)
Total equity	524,694	535,637
Total liabilities and equity	$ 1,126,577	$ 1,147,418