Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended
	Dec. 31, 2011	Sep. 24, 2011	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009	Sep. 26, 2009	Dec. 27, 2008
Income Taxes [Line Items]
Capital loss carryforwards	$ 56,000,000		$ 56,000,000
Undistributed earnings of foreign subsidiaries			793,000,000
Valuation allowance	621,719,000		621,719,000	648,869,000	657,000,000	321,600,000
Valuation allowance attributable to net operating loss carryforward assets	4,400,000		4,400,000
Valuation allowances, tax benefit recognition			(7,927,000)	29,777,000	387,735,000
Uncertain tax position	6,527,000		6,527,000	110,540,000	141,125,000		119,626,000
UTPs reversed	15,000	66,000	(40,083,000)	(32,572,000)	(2,820,000)
Uncertain tax position that would impact effective tax rate	5,100,000		5,100,000
Uncertain tax position fully offset by valuation allowance	1,400,000		1,400,000
Potential decrease to liability for uncertain tax positions	(2,600,000)		(2,600,000)
Foreign operations tax and penalty amount	126,000,000		126,000,000
Potential increase to liability for uncertain tax positions	1,000,000		1,000,000
Unrecognized tax benefits, interest and penalties					4,400,000
Unrecognized tax benefits, accrued interest and penalties	7,300,000		7,300,000
Income Tax [Member]
Income Taxes [Line Items]
Unrecognized tax benefits, interest and penalties			30,400,000	6,700,000
Alternative Method [Member]
Income Taxes [Line Items]
Excess tax benefits related to employee stock options			55,300,000
Shortcut Method [Member]
Income Taxes [Line Items]
Excess tax benefits related to employee stock options			101,200,000
U.S. Federal [Member]
Income Taxes [Line Items]
Operating loss carryforwards	280,000,000		280,000,000
U.S. Federal [Member] | Minimum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2030
U.S. Federal [Member] | Maximum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2031
Foreign [Member]
Income Taxes [Line Items]
Operating loss carryforwards	822,000,000		822,000,000
Operating loss carryforwards indefinitely			623,000,000
Capital loss carryforwards	1,730,000,000		1,730,000,000
Capital loss carryforwards, tax-effected	454,000,000		454,000,000
Valuation allowances, tax benefit recognition			9,000,000	10,000,000
Foreign [Member] | Minimum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2013
Foreign [Member] | Maximum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2031
Foreign [Member] | Expire In 2012 [Member]
Income Taxes [Line Items]
Operating loss carryforwards	17,000,000		17,000,000
State [Member]
Income Taxes [Line Items]
Operating loss carryforwards	1,200,000,000		1,200,000,000
Operating loss carryforwards, expiration dates			2012
State [Member] | Minimum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2013
State [Member] | Maximum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2031
State [Member] | Expire In 2012 [Member]
Income Taxes [Line Items]
Operating loss carryforwards	29,000,000		29,000,000
Domestic Deferred Tax Assets [Member]
Income Taxes [Line Items]
Valuation allowance						279,100,000
Foreign Deferred Tax Assets [Member]
Income Taxes [Line Items]
Valuation allowance						$ 42,500,000