Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 38,114	$ 51,994
Trade receivables, less allowance for doubtful accounts of $4,802 and $4,542 at June 30, 2018 and December 31, 2017, respectively	146,419	135,499
Inventories	149,592	145,611
Income tax receivable	1,832	6,634
Prepaid expenses and other current assets	21,012	17,344
Assets held for sale	701	1,081
Total current assets	357,670	358,163
Property, plant and equipment, net	189,328	191,918
Intangible assets, net	151,639	159,613
Goodwill	203,292	206,040
Deferred income taxes	1,592	2,608
Other non-current assets, net	3,031	2,315
Total assets	906,552	920,657
Current liabilities:
Accounts payable	62,935	68,014
Accrued payroll	27,066	32,091
Accruals and other current liabilities	38,475	32,921
Income tax payable	9,032	9,082
Current portion of long-term debt	1,364	384
Total current liabilities	138,872	142,492
Long-term debt - less current portion	260,024	275,587
Deferred income taxes	50,214	52,250
Pension liabilities	24,390	25,038
Long-term taxes payable	5,418	6,322
Other long-term liabilities	14,742	22,263
Commitments and Contingencies (Note 16)
Stockholders’ equity:
Common stock ($0.001 par value per share, 90,000,000 shares authorized, 29,107,811, and 29,058,117 shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively)	29	29
Additional paid-in capital	224,526	223,336
Retained earnings	241,249	223,204
Accumulated other comprehensive loss	(52,912)	(49,864)
Total stockholders’ equity	412,892	396,705
Total liabilities, and stockholders’ equity	$ 906,552	$ 920,657