Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents (Note A4)	$ 42,711		$ 28,701
Restricted cash and cash equivalents and restricted investments available for sale (Note B)	200		22,602
Investments available for sale (Note C)	0		2,057
Accounts receivable, less allowance for doubtful accounts of $1,714 and $1,678 at December 31, 2012 and 2011, respectively (Notes A13 and M)	25,740		31,449
Inventories, net (Note A5)	69,343		90,380
Prepaid expenses and other current assets (Notes A12 and F)	2,934		4,927
Income taxes receivable (Notes A9 and I)	0		770
Total current assets	140,928		180,886
PROPERTY, PLANT AND EQUIPMENT, net (Notes A6, A7, D and N)	17,402	[1]	19,593	[1]
OTHER ASSETS
Intangible assets (Notes A8 and E)	11,562		11,482
Deferred income taxes (Notes A9 and I)	2,308		2,914
Other	4,523		4,736
Total other assets	18,393		19,132
Total assets	176,723		219,611
CURRENT LIABILITIES
Bank lines of credit (Note G)	998		9,716
Current portion of long-term debt (Note G)	152		250
Current portion of long-term capital leases (Note G)	103		0
Trade accounts payable	20,420		18,101
Accrued income taxes payable (Note A9)	246		372
Current portion of contingent purchase price (Note O)	2,644		0
Accrued liabilities (Notes A12, F and H)	11,640		13,500
Total current liabilities	36,203		41,939
OTHER LIABILITIES
Long-term debt (Note G)	0		148
Long-term capital leases (Note G)	190		0
Contingent purchase price (Note O)	0		3,739
Other liabilities (Notes A9 and I)	8,716		7,816
Total other liabilities	8,906		11,703
STOCKHOLDERS’ EQUITY
Preferred Stock - authorized 2,000,000 shares of $0.01 par value; none issued and outstanding	0		0
Common Stock:
Additional paid-in capital	72,011		70,975
Treasury Stock	(58,190)		(58,190)
Retained earnings	114,924		149,703
Accumulated other comprehensive earnings/(loss):
Foreign currency translation (Note A10)	2,944		2,288
Net unrealized (loss)/gain on hedge derivatives (Notes A12 and F)	(455)		811
Net unrealized gain on investments available for sale and restricted investments available for sale (Notes B and C)	0		2
Total stockholders’ equity	131,614		165,969
Total liabilities and stockholders’ equity	176,723		219,611
Common Class A [Member]
Common Stock:
Share Value	300		300
Common Class B [Member]
Common Stock:
Share Value	$ 80		$ 80

[1] Long-lived assets consist of property, plant and equipment, net.