Condensed Consolidated Balance Sheets (unaudited) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Current assets:    
Cash and cash equivalents $ 24,354 $ 23,057
Accounts receivable, net of allowance for doubtful accounts of $3,318 in 2013 and $2,617 in 2012 93,005 89,960
Inventories 38,028 40,756
Prepaid expenses and other current assets 5,795 6,379
Deferred income tax 8,676 8,719
Total current assets 169,858 168,871
Property and equipment, net 25,994 26,512
Intangible assets 105,031 96,594
Goodwill 97,220 92,048
Other assets 9,681 7,828
Total assets 407,784 391,853
Current liabilities:    
Accounts payable 29,249 32,537
Short-term borrowings 33,300 11,300
Current portion of long-term debt 8,522 8,526
Accrued liabilities 27,590 32,938
Deferred revenue 14,064 13,305
Total current liabilities 112,725 98,606
Long-term liabilities:    
Long-term debt 10,892 13,034
Other liabilities 2,401 3,038
Deferred income tax 8,834 8,423
Total liabilities 134,852 123,101
Stockholders' equity:    
Common Stock, $0.001 par value, 120,000,000 shares authorized; shares issued and outstanding 30,339,098 in 2013 and 30,106,933 in 2012 278,463 275,395
Retained earnings 15,081 11,638
Accumulated other comprehensive loss (20,612) (18,281)
Total stockholders' equity 272,932 268,752
Total liabilities and stockholders' equity $ 407,784 $ 391,853