Stock-Based Awards - Stock Options (Details) (USD $)	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Options (number of shares):
Exercised	(169,286)	(914,272)	(176,400)
Weighted Average Exercise Price (in dollars per share):
Total intrinsic value	$ 1,500,000	$ 5,300,000	$ 900,000
Stock Options [Member]
Options (number of shares):
Options outstanding at beginning of year	9,749,000
Granted	0
Exercised	(169,000)
Forfeited/Expired	(1,410,000)
Options outstanding at end of period	8,170,000	9,749,000
Options expected to vest at end of period	8,157,000
Options exercisable at end of period	7,877,000
Weighted Average Exercise Price (in dollars per share):
Options outstanding at beginning of year	$ 20
Granted	$ 0
Exercised	$ 7
Forfeited/Expired	$ 34
Options outstanding at end of period	$ 18	$ 20
Options expected to vest at end of period	$ 18
Options exercisable at end of period	$ 18
Outstanding weighted average remaining contractual term, beginning of period	3 years	4 years
Outstanding weighted average remaining contractual term, end of period	3 years	4 years
Outstanding aggregate intrinsic value, beginning of period	23,273,000
Outstanding aggregate intrinsic value, end of period	16,234,000	23,273,000
Options expected to vest weighted average remaining contractual term	3 years
Options exercisable weighted average remaining contractual term	3 years
Options expected to vest aggregate intrinsic value	16,234,000
Options exercisable aggregate intrinsic value	$ 14,508,000