Net Income (Loss) Per Share (Tables)

9 Months Ended

Oct. 01, 2011

Net Income per Share [Abstract]

Basic and diluted net income per share

	Three Months Ended				Nine Months Ended
	October 1, 2011		October 2, 2010		October 1, 2011		October 2, 2010
	(In thousands, except per share amounts)
Net income	$	28,106	$	126,753	$	61,337	$	163,575
Weighted average common shares used to calculate basic net income per share		264,723		258,606		263,149		261,122
2023 Notes		11		11		11		11
Options		3,196		1,678		3,390		1,409
Restricted stock		2,735		2,945		3,407		2,801
Employee stock purchase plan (ESPP)		76		62		111		40
Weighted average common shares used to calculate diluted net income per share		270,741		263,302		270,068		265,383
Basic net income per share	$	0.11	$	0.49	$	0.23	$	0.63
Diluted net income per share	$	0.10	$	0.48	$	0.23	$	0.62

Potential shares of Cadence's common stock excluded

	Three Months Ended				Nine Months Ended
	October 1, 2011		October 2, 2010		October 1, 2011		October 2, 2010
	(In thousands)
2015 Warrants (various expiration dates through 2015)		46,382		46,382		46,382		46,382
Options to purchase shares of common stock (various expiration dates through 2021)		17,916		21,350		18,194		22,789
2011 and 2013 Notes Warrants (various expiration dates through 2014)		14,184		14,184		14,184		14,184
Unvested shares of restricted stock		2,805		1,412		21		2,056
Total potential common shares excluded		81,287		83,328		78,781		85,411