Consolidated Statements of Stockholders' Equity and Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	Total USD ($)	Common Stock, Shares	Common Stock, Par Value and Capital in Excess of Par USD ($)	Treasury Stock USD ($)	Accumulated Deficit USD ($)	Accumulated Other Comprehensive Income USD ($)
Beginning balance at Jan. 03, 2009	$ 186,713		$ 1,659,302	$ (695,152)	$ (814,679)	$ 37,242
Beginning balance, Shares at Jan. 03, 2009		257,857
Comprehensive income (loss)
Net income (loss)	(149,871)				(149,871)
Other comprehensive income (loss), net of taxes (Note 15)	6,028					6,028
Total comprehensive income (loss), net of taxes	(143,843)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures	27,864		(28,504)	269,801	(213,433)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures, Shares		11,824
Stock received for payment of employee taxes on vesting of restricted stock	(5,959)			(5,959)
Stock received for payment of employee taxes on vesting of restricted stock, shares		(1,032)
Tax effect related to employee stock transactions allocated to equity	(299)		(299)
Stock-based compensation expense	50,266		50,266
Unrecognized tax benefit adjustment	(6,369)		(6,369)
Ending balance at Jan. 02, 2010	108,373		1,674,396	(431,310)	(1,177,983)	43,270
Ending balance, Shares at Jan. 02, 2010		268,649
Comprehensive income (loss)
Net income (loss)	126,538				126,538
Other comprehensive income (loss), net of taxes (Note 15)	9,786					9,786
Total comprehensive income (loss), net of taxes	136,324
Purchase of treasury stock	(39,997)			(39,997)
Purchase of treasury stock, Shares	(6,493)	(6,493)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures	13,633		(26,116)	127,157	(87,408)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures, Shares		6,201
Stock received for payment of employee taxes on vesting of restricted stock	(9,734)		(794)	(8,940)
Stock received for payment of employee taxes on vesting of restricted stock, shares		(1,241)
Proceeds from sale of 2015 Warrants	37,450		37,450
Proceeds from termination of 2011 Notes Hedges and 2013 Notes Hedges	311		311
Extinguishment of equity component related to the repurchase of 2011 Notes and 2013 Notes	(5,617)		(5,617)
Tax effect related to employee stock transactions allocated to equity	(9,917)		(9,917)
Stock-based compensation expense	43,180		43,180
Unrecognized tax benefit adjustment	2,648		2,648
Ending balance at Jan. 01, 2011	276,654		1,715,541	(353,090)	(1,138,853)	53,056
Ending balance, Shares at Jan. 01, 2011	267,116	267,116
Comprehensive income (loss)
Net income (loss)	72,229				72,229
Other comprehensive income (loss), net of taxes (Note 15)	(2,103)					(2,103)
Total comprehensive income (loss), net of taxes	70,126
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures	19,714		(38,844)	75,179	(16,621)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures, Shares		6,804
Stock received for payment of employee taxes on vesting of restricted stock	(14,224)		(1,673)	(12,551)
Stock received for payment of employee taxes on vesting of restricted stock, shares		(1,240)
Tax effect related to employee stock transactions allocated to equity	5,403		5,403
Stock options assumed in acquisitions	1,599		1,599
Stock-based compensation expense	43,587		43,587
Unrecognized tax benefit adjustment	8,271		8,271
Ending balance at Dec. 31, 2011	$ 411,130		$ 1,733,884	$ (290,462)	$ (1,083,245)	$ 50,953
Ending balance, Shares at Dec. 31, 2011	272,680	272,680