Acquistions (Tables)

6 Months Ended

Jun. 30, 2012

Business Combinations [Abstract]

Schedule of Purchase Price Allocation [Table Text Block]

The following tables summarize the purchase price allocation and the impact of these measurement period adjustments to the Company's previously filed December 31, 2011 balance sheet:

Total purchase price					$	119,731
Fair value of net tangible assets acquired and liabilities assumed:
	Cash and cash equivalents	$	2,214
	Accounts receivable	13,434
	Inventories	4,036
	Prepaid expenses and other current assets	3,316
	Fixed assets	2,469
	Other assets	614
	Accounts payable	(5,368		)
	Accrued expenses	(6,891		)
	Deferred revenue	(1,825		)
	Other long-term liabilities	(1,226		)
					10,773
Fair value of identifiable intangible assets acquired					89,240
Net deferred tax liability					(9,870		)
Goodwill					$	29,588

	December 31, 2011 - As reported			Purchase accounting entry			December 31, 2011 - Revised
Current assets:
Deferred tax assets, net	$	5,875		$	(368	)	$	5,507
Total current assets	147,427			(368		)	147,059
Goodwill	26,599			3,149			29,748
Total assets	294,492			2,781			297,273
Current liabilities:
Other accrued liabilities	16,106			89			16,195
Total current liabilities	76,390			89			76,479
Long-term liabilities:
Other long-term liabilities	9,065			(4		)	9,061
Total long-term liabilities	54,065			(4		)	54,061
Total liabilities	130,455			85			130,540
Shareholders' equity:
Accumulated deficit	(138,908		)	2,696			(136,212		)
Total shareholders’ equity	164,037			2,696			166,733
Total liabilities and shareholders’ equity	294,492			2,781			297,273