Goodwill And Acquired Intangibles (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Acquired Intangibles [Abstract]

Changes in the carrying amount of goodwill

	Gross Carrying Amount
	(In thousands)
Balance as of January 2, 2010	$	----
Goodwill resulting from acquisitions during the period		156,103
Additions due to contingent consideration*		2,790
Balance as of January 1, 2011	$	158,893
Goodwill resulting from the acquisitions during the period		32,250
Additions due to contingent consideration*		1,347
Effect of foreign currency translation		(365	)
Balance as of December 31, 2011	$	192,125

* Cadence accounts for business combinations with acquisition dates on or before January 3, 2009 under the purchase method in accordance with accounting standards that were authoritative at that time, whereby contingent consideration is added to goodwill as it is earned.

Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year

	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, net
	(In thousands)
Existing technology	$	90,433	$	(17,119	)	$	73,314
Agreements and relationships		118,060		(27,123	)		90,937
Distribution rights		30,100		(25,585	)		4,515
Tradenames, trademarks and patents		26,183		(21,715	)		4,468
Total acquired intangibles	$	264,776	$	(91,542	)	$	173,234

Acquired intangibles with finite lives as of January 1, 2011 were as follows, excluding intangibles that were fully amortized as of January 2, 2010:

	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, net
	(In thousands)
Existing technology	$	91,800	$	(27,350	)	$	64,450
Agreements and relationships		135,773		(36,579	)		99,194
Distribution rights		30,100		(22,575	)		7,525
Tradenames, trademarks and patents		26,183		(18,654	)		7,529
Total acquired intangibles	$	283,856	$	(105,158	)	$	178,698

Amortization of acquired intangibles

	2011		2010		2009
	(In thousands)
Cost of product	$	10,480	$	5,603	$	4,341
Cost of maintenance		----		1,045		4,180
Amortization of acquired intangibles		16,536		14,160		11,420
Total amortization of acquired intangibles	$	27,016	$	20,808	$	19,941

Estimated amortization expense

	(In thousands)
2012	$	26,653
2013		23,111
2014		20,303
2015		19,989
2016		19,550
Thereafter		63,628
Total estimated amortization expense	$	173,234