Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 53,639	$ 47,464
Short-term investments		750
Accounts receivable, net	134,858	104,649
Inventories, net	166,298	175,578
Income taxes receivable	2,130	6,791
Other current assets	24,657	35,189
Total current assets	381,582	370,421
Property, plant and equipment, net	527,024	532,767
Non-current deferred income tax assets, net	40,283	42,105
Goodwill	285,678	291,434
Intangibles, net	158,801	168,369
Other non-current assets	66,803	46,520
Total assets	1,460,171	1,451,616
Current liabilities:
Accounts payable	113,409	107,274
Short-term debt	3,930	3,052
Accrued expenses	67,578	65,662
Income taxes payable	2,589	2,475
Total current liabilities	187,506	178,463
Long-term debt (less current portion)	656,711	661,426
Embedded derivative liability	2,508	3,134
Non-current income tax liabilities	9,034	9,046
Non-current deferred income tax liabilities, net	19,021	18,664
Other non-current liabilities	61,734	49,306
Commitments and contingent liabilities (Note 18)
Mezzanine equity:
Preferred stock, $0.01 par value Authorized - 1,000,000 shares Issued and outstanding - 150,000 shares outstanding at March 31, 2019 and December 31, 2018	148,426	144,463
European non-controlling redeemable equity	12,217	13,849
Shareholders’ equity:
Common stock, $0.01 par value Authorized - 100,000,000 shares Issued and outstanding – 25,073,360 and 25,019,237 shares at March 31, 2019 and December 31, 2018	88,119	87,723
Accumulated other comprehensive loss	(107,877)	(105,495)
Retained earnings	382,772	391,037
Total shareholders’ equity	363,014	373,265
Total liabilities, mezzanine equity and shareholders’ equity	$ 1,460,171	$ 1,451,616