Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 33,207	$ 13,561
Restricted cash	47,105	22,944
Trade accounts receivable, less allowances of $10,045 and $7,250 at December 31, 2011 and 2010, respectively	146,538	134,184
Inventories, net	91,247	84,589
Deferred income taxes	16,867	17,422
Escrow receivable	41,537	14,937
Prepaid expenses and other current assets	28,089	24,123
Total current assets	404,590	311,760
Property, plant and equipment, net	52,124	45,535
Patents and other intangible assets, net	37,515	41,457
Goodwill	179,373	176,497
Deferred income taxes	9,662	16,175
Other long-term assets	12,287	12,565
Total assets	695,551	603,989
Current liabilities:
Bank borrowings	1,318	3,812
Current portion of long-term debt	17,500	7,500
Trade accounts payable	20,105	19,796
Accrued charges related to U.S. Government resolutions	82,500
Other current liabilities	53,989	52,418
Total current liabilities	175,412	83,526
Long-term debt	191,195	208,695
Deferred income taxes	9,777	8,102
Other long-term liabilities	3,996	2,775
Total liabilities	380,380	303,098
Contingencies (Note 15)
Shareholders' equity
Common shares $0.10 par value; 50,000,000 shares authorized; 18,465,444 and 17,726,645 issued and outstanding as of December 31, 2011 and 2010, respectively	1,846	1,772
Additional paid-in capital	214,310	195,402
Retained earnings	97,254	98,327
Accumulated other comprehensive income	1,761	5,390
Total shareholders' equity	315,171	300,891
Total liabilities and shareholders' equity	$ 695,551	$ 603,989