Stock-Based Awards - Stock Options (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 25, 2011 Years	Dec. 26, 2010 Years	Dec. 27, 2009
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning of period	21,414,000
Outstanding weighted average exercise price, beginning of period	$ 33
Outstanding weighted average remaining contractual term, beginning of period	4
Outstanding aggregate intrinsic value, beginning of period	$ 10,629
Options granted	856,000
Options granted weighted average exercise price	$ 10
Options exercised	(100,200)	(257,600)	(118,400)
Options exercised weighted average exercise price	$ 4
Options forfeited or expired	(4,670,000)
Options forfeited or expired weighted average exercise price	$ 41
Options outstanding, end of period	17,500,000	21,414,000
Outstanding weighted average exercise price, end of period	$ 30	$ 33
Outstanding weighted average remaining contractual term, end of period	4	4
Outstanding aggregate intrinsic value, end of period	6,522	10,629
Options expected to vest	17,478,000
Options expected to vest weighted average exercise price	$ 30
Options expected to vest weighted average remaining contractual term	4
Options expected to vest aggregate intrinsic value	6,522
Options exercisable	15,207,000
Options exercisable weighted average exercise price	$ 33
Options exercisable weighted average remaining contractual term	3
Optiones exercisable aggregate intrinsic value	4,262
Total intrinsic value excercised	$ 600	$ 1,700	$ 500
Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term of stock options	10 years	10 years	10 years
Vesting period	3 years	3 years	3 years
Non-Employee Director Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term of stock options	10 years	10 years	10 years
Vesting period	1 year	1 year	1 year