Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Net Income (loss) per Share [Abstract]

Basic and diluted net income per share

	2011		2010		2009
	(In thousands, except per share amounts)
Net income (loss)	$	72,229	$	126,538	$	(149,871	)
Weighted-average common shares used to calculate basic net income (loss) per share		263,892		260,787		257,782
2023 Notes		11		11		----
Equity based compensation		6,913		5,073		----
Weighted-average common shares used to calculate diluted net income (loss) per share		270,816		265,871		257,782
Basic net income (loss) per share	$	0.27	$	0.49	$	(0.58	)
Diluted net income (loss) per share	$	0.27	$	0.48	$	(0.58	)

Potential shares of Cadence's common stock excluded

	2011		2010		2009
	(In thousands)
2015 Warrants (various expiration dates through 2015)		46,382		46,382		----
Options to purchase shares of common stock (various expiration dates through 2021)		17,580		22,100		35,840
2011 and 2013 Notes Warrants (various expiration dates through 2014)		13,922		13,922		23,640
Unvested shares of restricted stock		800		1,808		8,667
Employee stock purchase plan		----		----		1,342
2023 Notes		----		----		11
Total potential common shares excluded		78,684		84,212		69,500