Acquisitions (Tables)

12 Months Ended

Dec. 31, 2011

Acquisitions [Abstract]

Pro forma Financial information of acquisition

	2010		2009
	(In thousands)
Total revenue	$	947,849	$	879,561
Net income (loss)	$	109,828	$	(180,410	)

Allocation of Purchase Price

	(In thousands)
Current assets	$	59,398
Property, plant and equipment		347
Other assets		283
Acquired intangibles:
Existing technology (six- to nine-year weighted-average useful lives)		65,700
Agreements and relationships (three- to twelve-year weighted-average useful lives)		98,800
Tradenames / trademarks / patents (ten-year weighted-average useful life)		4,300
Goodwill		152,172
Total assets acquired		381,000
Current liabilities		(17,042	)
Long-term deferred tax liabilities (Note 6)		(67,153	)
Net assets acquired	$	296,805