Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 55,946	$ 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	58,356	61,358
Inventories	59,219	59,846
Deferred income taxes	36,970	37,413
Prepaid expenses and other current assets	24,723	26,552
Total current assets	235,214	256,408
Property, plant and equipment, net	49,963	48,549
Patents and other intangible assets, net	5,626	7,152
Goodwill	53,565	53,565
Deferred income taxes	17,910	18,541
Other long-term assets	26,876	8,970
Total assets	389,154	393,185
Current liabilities:
Trade accounts payable	17,230	13,223
Other current liabilities	47,678	53,220
Total current liabilities	64,908	66,443
Deferred income taxes		229
Other long-term liabilities	26,569	26,886
Total liabilities	$ 91,477	$ 93,558
Contingencies (Note 12)
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	$ 1,884	$ 1,861
Additional paid-in capital	237,987	232,788
Retained earnings	60,553	65,360
Accumulated other comprehensive loss	(2,747)	(382)
Total shareholders’ equity	297,677	299,627
Total liabilities and shareholders’ equity	$ 389,154	$ 393,185