Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 63,694	$ 36,815
Restricted cash		34,424
Trade accounts receivable, less allowance for doubtful accounts of $7,153 and $7,285 at June 30, 2015 and December 31, 2014, respectively	56,173	61,358
Inventories	57,766	59,846
Deferred income taxes	35,974	37,413
Prepaid expenses and other current assets	31,884	26,552
Total current assets	245,491	256,408
Property, plant and equipment, net	51,467	48,549
Patents and other intangible assets, net	5,368	7,152
Goodwill	53,565	53,565
Deferred income taxes	19,101	18,541
Other long-term assets	27,457	8,970
Total assets	402,449	393,185
Current liabilities:
Trade accounts payable	17,009	13,223
Other current liabilities	61,570	53,220
Total current liabilities	78,579	66,443
Deferred income taxes		229
Other long-term liabilities	26,664	26,886
Total liabilities	$ 105,243	$ 93,558
Contingencies (Note 11)
Shareholders’ equity:
Common shares $0.10 par value; 50,000,000 shares authorized; 18,839,335 and 18,611,495 issued and outstanding as of June 30, 2015 and December 31, 2014, respectively	$ 1,888	$ 1,861
Additional paid-in capital	239,954	232,788
Retained earnings	59,182	65,360
Accumulated other comprehensive loss	(3,818)	(382)
Total shareholders’ equity	297,206	299,627
Total liabilities and shareholders’ equity	$ 402,449	$ 393,185